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Exploring nature's strangest and most powerful objects; how black holes reshape entire galaxies; animation reveals what happens when objects stray too close to a black hole's point of no return.

New research and theories offer clues about the Big Bang and what may have existed before the universe's birth.

Christiane Amanpour leads discussions about world issues and interviews with global leaders.

Co-anchors Amna Nawaz and Geoff Bennett and correspondents offer in-depth analysis of current events.

Relationships aboard the ISS are tested when war breaks out on Earth.

Robots are first conceptualized in ancient Rome; how uses for robots have evolved over the centuries, from the calculator to the Roomba; what future robots might be able to do.

Investigating the human ability to increase empathy and compassion; the values being instilled into artificial intelligence technologies; creating a better world for human life to flourish on this planet.

Strengthening and toning the hips and core with simple core strengthening moves and gentle stretches for the chest, back, hips and legs.

Stretching and strengthening muscles necessary to smooth out the stomach.

News. Reporting on the day's international news from London and from BBC correspondents around the world.

Francine and Brain make the all-star soccer team; Emily lies about the sparkly ball.

Rudy is afraid of getting a shot at the doctor's office, so Nina and Abby play pretend to show what the visit will be like so he can feel less scared.

Ms. O and her team are determined to win a Jackie Award; Ms. O and Oscar accidentally switch bodies.

The Kratt brothers take a day off from adventuring to go camping, where they meet a mischievous little moose calf.

The Hunters investigate a weather mystery surrounding massive rocks that move on their own in the desert.

The Loops celebrate the day they met Stu; Liana finds crumbs on Louisa's pillow and accuses her of taking the last cookie.

Carl loves the new sweater his Pop Pop knit him, but it feels itchy when he wears it; Carl is nervous about his new school bus stop.

After Miss Elaina loses her mitten, her mom teaches her how to put things away so she can find them later; Prince Wednesday loses his comic book.

Phoebe and Jay use Miss Jean's field guide to identify their new butterfly friend; Phoebe gets courage to perform at the talent show.

Elmo and his friends prepare as a big storm approaches Sesame Street.

Zeke is anxious about a big storm; Zeke turns into a "Wish Monster" when Zadie and Malik make his wish come true.

A noisy penguin interrupts band practice; the pals work together to win Gator's latest game show.

Rosie, Iggy and Crystal make a movie; Mom finds a photo from the day they got Gatita.

The kids travel to Moose Mountain to retrieve Ari's plushie after it gets taken by an eagle.

When Tia Gloria can't make it to Alma's spring concert, Alma brings the concert to her; Alma helps Safina with the puppies at the animal clinic.

A chameleon searches for a mate in Madagascar; a Scottish water vole swims a lake, climbs a waterfall and scales a mountain to find a place to raise her pups.

Equipped with only the most basic supplies, Les Stroud braves marauding polar bears and a severe climate.

Experiencing Texas through the perspective of a storyteller.

George Patton's gold World War I trench watch; a 1949 Charles Loloma pot; a 1944 Joseph Erlanger's Nobel Prize and diploma.

Coverage from Washington, D.C. and London, with a regular panel of guests from across the political spectrum discussing the biggest stories of the day.

A detailed look into news stories from around the world from the BBC news desk in Washington, D.C.

Co-anchors Amna Nawaz and Geoff Bennett and correspondents offer in-depth analysis of current events.

New Mexico's Guadalupe Mountains contain fossilized ocean reef.

The death of an aristocrat becomes suspicious after his will disappears and his lawyer is killed in an arson attack.

The death of an aristocrat becomes suspicious after his will disappears and his lawyer is killed in an arson attack.

The mysterious death of a coal miner 800 feet underground leads Gently and Bacchus to explore the tensions and relationships in the community.

Christiane Amanpour leads discussions about world issues and interviews with global leaders.

Co-anchors Amna Nawaz and Geoff Bennett and correspondents offer in-depth analysis of current events.

A chameleon searches for a mate in Madagascar; a Scottish water vole swims a lake, climbs a waterfall and scales a mountain to find a place to raise her pups.

Four members of the Artemis II crew embark on a perilous 10-day journey to orbit the moon.

Relationships aboard the ISS are tested when war breaks out on Earth.

Exploring nature's strangest and most powerful objects; how black holes reshape entire galaxies; animation reveals what happens when objects stray too close to a black hole's point of no return.

A gentle seated yoga practice to create more ease in the whole body includes stretches for the hands, shoulders, back, hips and legs.

A full body workout strengthens each muscle in the body while targeting the shoulders.

News. Reporting on the day's international news from London and from BBC correspondents around the world.

Arthur, D.W. and Buster build sand castles at the beach; Buster goes out of his way to avoid germs.

While watching baby dragons for the first time, Abby, Elmo and crew join voices for a soothing bedtime bop to make sure the little beasties go to sleep.

With a spike in oddness in the U.K., Department of Help Agent Ozzie suggests they send for help from another agent; with a creature on the loose and Captain O unable to help, Ozzie and Orli must work together to capture it and save HQ.

Martin and Chris try to rescue a foal who is separated from his mother by a rogue wave.

The Hunters try to help an injured bird so it can join its friends migrating south for the winter.

Four kids feel like they don't belong on their first day of school until they learn that friendship and fun come from sharing who they are.

The children put on a show at school, each doing something that makes them special; Dad reminds Daniel of the things that make him special.

Phoebe learns what privacy signs are and how to use them to communicate to neighbors; Jay gets nervous about getting a haircut.

Rosita and Elmo play Beach ball Bop around Sesame Street, a game where they hit a ball into the air and don't let it touch the ground; Elmo feels angry and yells at Rosita when he hits the ball and accidentally knocks over his block tower.

Malik learns the key to a successful "Brother Day"; Zeke and Louisa wait tables at the Eat 'N Greet after Duffy sprains her ankle.

Donkey feels jealous when Grampy gives Panda a piano lesson; Duck is disappointed when she misses her favorite band.

Rosie, Javi and Papa use different kinds of transportation to bring Tia her lucky spoon before her train leaves; Crystal's disc gets stuck in a tree.

Elinor and her friends are inspired to build a nest; Elinor and her friends learn that it is good to eat different types of foods.

Cora teams up with the kids to install solar panels and windmills to power Skillsville's buildings; Cora and Rae face off as real estate agents.

Four members of the Artemis II crew embark on a perilous 10-day journey to orbit the moon.

New research and theories offer clues about the Big Bang and what may have existed before the universe's birth.

Topps uncut card sheets from 1973; a ring collection circa 1970; a 1967 Ram Kumar oil painting.

Coverage from Washington, D.C. and London, with a regular panel of guests from across the political spectrum discussing the biggest stories of the day.

A detailed look into news stories from around the world from the BBC news desk in Washington, D.C.

Co-anchors Amna Nawaz and Geoff Bennett and correspondents offer in-depth analysis of current events.

A panel of journalists provides reporting and analysis of the major stories emanating from the United States capital.

Margaret Hoover leads interviews and debates.

The years 1969-1970 take Americans to the moon and back; what happens to scientific and engineering programs after national goals are achieved.

Christiane Amanpour leads discussions about world issues and interviews with global leaders.

Co-anchors Amna Nawaz and Geoff Bennett and correspondents offer in-depth analysis of current events.

Dr. Daniel Amen explains the causes of memory loss, the seven foods and supplements that may enhance memory and how to supercharge memory with 11 simple daily practices.

Celebrating picnics and barbecue with Chris Fennimore and the America's Home Cooking team; recipes include horseradish potato salad, baked beans, apple hand pies and more summer favorites.

Peggy Cappy demonstrates how yoga helps people increase strength and mobility at any age.

Dr. Daniel Amen maps the brain networks that drive physical and emotional pain and reveals his practical, brain-based strategies that help you feel better, think clearer and live more fully.

From the bustling streets of Madrid to the rugged countryside, exploring the wonders of classic Spanish craftsmanship in food, fashion, ceramics, jewelry and more.

Rick Steves takes a European alpine adventure from Italy to Austria and Switzerland to France; locations include the Dolomites, Zugspitze, Matterhorn, Aiguille du Midi and the Tour du Mont Blanc hiking path.

Rick Steves traces fascism's history in Europe. Our goal: to learn from the hard lessons of the 20th century, and to recognize that ideology in the 21st century.

Cooking chicken, legumes, crockpot recipes, soups, meat and classic casseroles.

Chefs Lidia Bastianich and Jacques Pépin prepare recipes and share family stories.

The Albuquerque-based alt-funk group Sgt. Splendor brings grit, groove and Southwestern soul to the stage.

Science, health, technology and environment experts and professionals address issues such as artificial intelligence, medicine and climate science.

The musical roots of Karen and Richard Carpenter with performance footage and television interviews; songs include "(They Long to Be) Close to You," "Superstar" and "We've Only Just Begun.".

A 2002 patriotic celebration of America and pop oldies music, featuring artists from the rock, pop and doo-wop days of the 1950s to early mid-1960s.

Legends of 1960s and 1970s soul music perform their biggest hits; acts include The Temptations, James Brown, Patti LaBelle, The Chi-Lites, The Spinners, Sam Moore and more.

The musical roots of Karen and Richard Carpenter with performance footage and television interviews; songs include "(They Long to Be) Close to You," "Superstar" and "We've Only Just Begun.".

From the bustling streets of Madrid to the rugged countryside, exploring the wonders of classic Spanish craftsmanship in food, fashion, ceramics, jewelry and more.

Cooking chicken, legumes, crockpot recipes, soups, meat and classic casseroles.

Gentle flexibility and range of motion exercises can improve posture and help reverse the signs of aging, improve organ health and increase energy.

Supreme Court Justice Amy Coney Barrett talks about the court's decision-making process, the rise of "shadow dockets" and why she believes Americans should have faith in the government.

News analysis of issues and policy affecting the U.S.

Examining state government.

Professors from St. John's College in Santa Fe, N.M., use landmark books as a starting point for conversation.

A chameleon searches for a mate in Madagascar; a Scottish water vole swims a lake, climbs a waterfall and scales a mountain to find a place to raise her pups.

A period-drama adaptation of Jane Austen's final novel, written only months before her death in 1817, features Rose Williams and Theo James as the lead characters of Charlotte Heywood and Sidney Parker. The story follows Charlotte as she moves to the quiet fishing village of Sanditon for a fresh start, only to meet Sidney, a charming man who has ambitions to turn the tranquil seaside residence int

A period-drama adaptation of Jane Austen's final novel, written only months before her death in 1817, features Rose Williams and Theo James as the lead characters of Charlotte Heywood and Sidney Parker. The story follows Charlotte as she moves to the quiet fishing village of Sanditon for a fresh start, only to meet Sidney, a charming man who has ambitions to turn the tranquil seaside residence int

A period-drama adaptation of Jane Austen's final novel, written only months before her death in 1817, features Rose Williams and Theo James as the lead characters of Charlotte Heywood and Sidney Parker. The story follows Charlotte as she moves to the quiet fishing village of Sanditon for a fresh start, only to meet Sidney, a charming man who has ambitions to turn the tranquil seaside residence int

A period-drama adaptation of Jane Austen's final novel, written only months before her death in 1817, features Rose Williams and Theo James as the lead characters of Charlotte Heywood and Sidney Parker. The story follows Charlotte as she moves to the quiet fishing village of Sanditon for a fresh start, only to meet Sidney, a charming man who has ambitions to turn the tranquil seaside residence int

A period-drama adaptation of Jane Austen's final novel, written only months before her death in 1817, features Rose Williams and Theo James as the lead characters of Charlotte Heywood and Sidney Parker. The story follows Charlotte as she moves to the quiet fishing village of Sanditon for a fresh start, only to meet Sidney, a charming man who has ambitions to turn the tranquil seaside residence int

A period-drama adaptation of Jane Austen's final novel, written only months before her death in 1817, features Rose Williams and Theo James as the lead characters of Charlotte Heywood and Sidney Parker. The story follows Charlotte as she moves to the quiet fishing village of Sanditon for a fresh start, only to meet Sidney, a charming man who has ambitions to turn the tranquil seaside residence int

Plant shopping; landscaping; a carpet factory tour; installing a butcher block counter.

Redesigning a backyard for a homeowner who hosts large dinner parties; replacing two rusted window wells.

Experts analyze prominent international affairs topics and America's role in a shifting world.

News analysis of issues and policy affecting the U.S.

Phryne investigates a holidaymaker electrocuted while hanging Christmas lights.

D.I. Rachita Ray is promoted to homicide but realizes instantly she is a token hire.

Rachita and the team race to track down Anjuli Kapoor, making more than one grim discovery in the process; this is no honor crime.

Edith is enthusiastic about her wedding and hopes to convince her family that Strallan's age does not matter. With Downton's finances dire because of Robert's actions, Mary takes matters into her hands -- but the personal price may be high.

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