KOPB-DT

Jupiter's gravitational force made it a wrecking ball as it barreled through the early solar system, but it also helped shape life on Earth as it brought comets laden with water and possibly the asteroid that put an end to the dinosaurs.

A behind the scenes look at "The American Revolution" with Ken Burns, Sarah Botstein and David Schmidt to learn about the production, which took nearly a decade to complete.

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.

The Grammy award-winning superstar performs pop hits and Broadway favorites at her final concert in Las Vegas on New Year's Eve 1999.

Revisiting picturesque scenes from the series in the Yorkshire countryside.

As he grows into his role as heir, Matthew brings out the rivalry between sisters Mary and Edith; servants Thomas and O'Brien scheme against Bates.

The reinvention of "Riverdance" immerses viewers into the energy and passion of Irish music and dance.

Rick Steves tours the Italian heartland, including Umbria, Assisi, Siena, and the Cinque Terre.

Barbara lands a lead role in a new TV sitcom, but news from home threatens to derail her plans.

Esther returns to the prairies and continues her pursuit of uncovering her past; when tragedy strikes, Esther realizes that she needs her mother more than anything.

Marie Antoinette aims to inaugurate her reign as queen of France, organizing an inauguration ball and trying to convince Louis to choose the pro-Austrian candidate that she defends as prime minister.

Callum discovers that his girlfriend is telling him a pack of lies; Finn faces the most difficult decision of his life.

Protecting and caring for your voice; how the larynx works; home remedies for a sore throat and hoarse voice; stuttering; why group singing is good for health.

Twenty-four hours a day, the latest national and international stories as they break.

A foot strengthening workout.

The Mobile Unit tries to figure out who broke into Odd Squad's Top-Secret Security Facility to get the mega-computer; The Shadow tries to convince villains worldwide to join her Villain Network.

The Hunters find a stowaway in their picnic basket, a little furry dog.

Liana and Lyla put together a puzzle with more than 1,000 pieces; Lyla and Luke construct a train using household materials.

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

Daniel and Prince Wednesday make a lemonade stand together but disagree about how to hand out the lemonade; Daniel and Miss Elaina get mad when their sandcastle is knocked down by a wave.

Uncle Steve takes the kids to the park for the Wonder Walrus show; Rosie and Javi make a space museum.

On a hot day, Abby creates a snowman to keep her and Elmo cool; when they return from finding decorations, their snowman has vanished.

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

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

Phoebe, Jay and Lupe practice their fire safety plan when the fire inspector visits; Phoebe and Jay buy juice from Mr. Aguilar.

The hobby and business of beekeeping and honey; the regenerative farm of Hank Wills, editor at large for Mother Earth News; a U.S. city provides free fares for all city buses and street car system.

Michelada bar; crab, cucumber and jicama salad; papas rellenas with avocado sauce; beef barbacoa sliders; drunken salad.

Grilled mussels; celebrating the Texas Shrimp Diva; one-pot shrimp piccata pasta.

Burning Man sculpture near Gerlach, Nev.

Underpainting the rabbit, then adding details to make the rabbit appear hidden; adding the final taller weeds; highlighting the grasses and snowdrifts.

Fluttering moths distract the kids when they try to sing their new Sunny Summer Song; the kids give away peaches to their friends in Animal Town.

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

Molly thinks she has seen a rare Australian megabat; Travis helps Molly, Tooey and Trini earn their wilderness cleanup badge.

Ibn Battuta shows Brad that a change of scenery might help him finish his comic book story; Beulah Louise Henry inspires Yadina to keep working on her invention.

Sewing clothing and home decor accessories using nontraditional methods; sewing collars, corners and sleeves.

A one-block design that relies on floppy corners, ombre fabric and floating stars.

Who owns Antarctica; penguin highway; where to find whales and Weddell seals; why penguins are black and white; how long seals can stay underwater.

An unforgettable holiday dinner at the oldest inn in Vermont.

Touring a renovated ranch and brand new ADU, reviewing shared systems and exterior plans while exploring how the new spaces function for the family.

Live news program produced out of BBC's Washington, D.C. bureau; host Sumi Somaskanda.

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

Items reflect 250 years of American art, artifacts, crafts and collectibles; finds include a flag quilt circa 1880, a Tiffany Studios turtleback glass shade circa 1915 and an 1884 Edison light bulb.

Exploring America's founding spirit through the works of modern artisans who keep traditions alive, illustrating the many cultures that built this country.

Relieving stiffness, pain and fatigue of joint inflammation; host Peggy Cappy.

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

As he grows into his role as heir, Matthew brings out the rivalry between sisters Mary and Edith; servants Thomas and O'Brien scheme against Bates.

The reinvention of "Riverdance" immerses viewers into the energy and passion of Irish music and dance.

The growth of cooperative models in Spain and the citizens involved with them.

Twenty-four hours a day, the latest national and international stories as they break.

Stretching and strengthening the abdominal and back muscles helps protect the spine from injury.

Captain O tells the story of when she faced Dottie Doubloon, who covered islands in polka dots; Orli must return a clam to its rightful home.

Benny becomes enamored with the mail carrier, and wonders how she delivers the mail in different weather conditions.

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

Carl turns to his friends to help him organize his plushie collection; Carl loses his bouncy ball collection.

Daniel wants to go outside and play in the snow, but Dad Tiger says he must wait in bed until it is time to get up; Daniel wants to swing as high as Jodi at the playground.

The Fuentes Family gets a hammock from Abuela, but the kids must set up rules to keep things fair; Tía baked Iggy a dino cake for his birthday, but Rosie and Javi break her rule of not touching the cake, and now it's smushed.

Tamir is disappointed when Grandma Nell shows off the drawing he made for Chris before it is finished.

Super hunts for a lost sticker while the Wombats collaborate on a new ending for an old "Sticker Monster" story; the Wombats teach Zeke how to count to 10.

Turtle-Lou opens a Speedy Delivery service; the pals have a sleepover at Bob Dog's house, but Donkey is unable to fall asleep.

Phoebe plans a birthday surprise for Grandma; Phoebe and Jay must tend to the bell pepper in the garden.

A landscape architect talks about getting started with a landscape makeover.

Basmati rice; choosing the best variety of rice for your meal; saffron basmati rice; biryani; pairing biryani with a pomegranate salad and Indian omelet; saffron spice.

Joe Ortiz makes French country sourdough.

Working with unlimited color and distortion.

There are no rules or expectations for quality of work when pocket sketching -- the only demand is to create, learn and relax.

Elinor, Olive and Ari get ready to go out and play in the snow; Elinor wants to learn how Velcro works.

Martin and Chris explore why animals mimic the looks of others.

Molly's camera breaks while she and Grandpa Nat are observing an active volcano; Molly and Tooey plan a bird-watching trip to celebrate winter solstice and Trini's birthday.

Michelangelo shows Brad that doing something well takes time; Dorothy Levitt explains that it's important to start with the basics when learning a new skill.

Tips and insight into the sewing methods of haute couture.

Patriotic block made from flying geese blocks.

Rick Steves offers practical advice on how to have a fun and affordable trip to Europe. Sites include Germany, Italy, the Swiss Alps, Paris and London.

Three generations of agriculturalists reflect on their roots and future.

Installing a weatherproof outdoor TV enclosure; essential preparation to take before a renovation; replacing a crumbling fire pit with a sleek, modern square design.

Live news program produced out of BBC's Washington, D.C. bureau; host Sumi Somaskanda.

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

Lucy Worsley investigates the 18th century breakup of Britain and America, including the turning points that led to America's Declaration of Independence from Britain in 1776.

Exploring how the American Revolution affected Britain, with sabotage, espionage and political unrest reshaping the empire.

Exploring the work of filmmaker Ken Burns, including "Country Music," "Muhammad Ali," "Benjamin Franklin," "The U.S. and the Holocaust," "The American Buffalo," "The Vietnam War" and more.

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

Items reflect 250 years of American art, artifacts, crafts and collectibles; finds include a flag quilt circa 1880, a Tiffany Studios turtleback glass shade circa 1915 and an 1884 Edison light bulb.

Exploring America's founding spirit through the works of modern artisans who keep traditions alive, illustrating the many cultures that built this country.

Relieving stiffness, pain and fatigue of joint inflammation; host Peggy Cappy.

Costume designer Ruth E. Carter tours The Children's Museum of Indianapolis.

Twenty-four hours a day, the latest national and international stories as they break.

Strengthening and stretching every muscle and all connective tissue in the body.

A new villain challenges the Mobile Unit; Odd Squad's tube system mysteriously shuts down.

A foggy Halloween almost derails Corky and Lily's trick-or-treating.

Lyla and her siblings come up with a sandwich special for Loops Lunch; Lyla helps her mom build a vertical garden behind Loops Lunch.

Carl surprises Sheldon with a lemonade stand, but is confused when Sheldon runs off; Carl's caterpillars turn into butterflies.

Daniel and his family explore nature, watching a red bird build a nest; Daniel, O the Owl and Uncle X take a nature walk through the forest.

Things get out of control when Rosie starts a pet-sitting business; Rosie plays with a rock from Javi's rock collection.

Cinderella needs to tell time for the ball, but her clock is broken, so Nina, Abby and Rudy wonder what tool they can use to fix it.

The Wombats go on a quest to figure out all the elements that go into creating the perfect personal time routine; Zadie wants to make a really loud noise.

The pals each feel differently about a loud thunderstorm; Mama Panda teaches Donkey and Panda new hoop tricks.

Phoebe and Jay use a checklist to guide them through their tasks; Jay creates his first comic book and learns about the importance of page order.

Visiting an orchard with Crystal Palesek; entertaining with roses; finding inspiration in wine varietals; Grace Boersma's cheese puff perfection.

Vietnamese caramel chicken; Vietnamese scallion sauce; Vietnamese chicken curry with lemongrass and ginger flavor.

Grilled flank steak; why cooking some meat to medium makes them more tender; reviewing aluminum foil; chili crisp noodles.

A silent misty forest awakens from slumber.

A springtime cactus surprise.

Elinor is the new Clean Captain at school and takes things too far; Ari has a loose tooth.

The Kratt brothers want to fly with the peregrine falcon.

Trini is determined to learn an ice skating move; Tooey and his brothers use tracking skills to find their dad in the forest.

Kofi Annan shows Yadina and Brad that finding a compromise can help everyone; William and Caroline Herschel show Xavier that by including Yadina in his magic show, it can make it even more fun.

Sewing clothing and home decor accessories using nontraditional methods; sewing collars, corners and sleeves.

Using a serger to quilt-as-you-go and bind edges; Sadie's patchwork vest.

Tasting okra seed oil at Oliver Farm; Jon Jackson's Motherland okra, grown for greens and cooked African style.

English-speaking visitors travel the length of Japan, exploring the local culture, meeting the people and offering travel hints rarely found in guidebooks.

Making a conference table with 6/4 walnut; using a castle joint; seeing wood kilns in action at Hartzell Hardwoods.

Live news program produced out of BBC's Washington, D.C. bureau; host Sumi Somaskanda.

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

The story behind David Attenborough's wildlife documentary series "Life on Earth," which changed his life forever.

The dry, red planet Mars was once a blue water world studded with active volcanoes and may have even had the ingredients to support life.