WPTZ-DT

Staying informed with the news and headlines.

Reporting of breaking news and developing stories in real time.

Investigators didn't know if Kathy Heckel was a missing person or murder victim; decades later the case is reopened by a new detective.

Discovering Alaska's untouched beauty, from bear watching to climbing pristine glaciers.

Highlighting in-depth stories and local profiles across various American cities.

Local and regional news coverage.

Dr. Rae joins researchers using advanced tools in Mexico to study gray whales, wolverines and toads; meanwhile, Peter dives into the Great Barrier Reef where scientists are cultivating heat-resistant coral to help protect their fragile ecosystems.

Danielle and Dr. Pablo dive into the science of sleep with the help of drummer Gina Schock; through lab testing and immersive storytelling, the trio breaks down the main forces that control sleep and what happens when they stop working in harmony.

Coverage of the 113th edition of the cycling event.

Danielle and Dr. Pablo dive into the science of sleep with the help of drummer Gina Schock; through lab testing and immersive storytelling, the trio breaks down the main forces that control sleep and what happens when they stop working in harmony.

From Gleneagles Golf Club in Perthshire, Scotland.

From Icahn Stadium in New York.

Stay informed with the latest breaking news and headlines.

Tom Llamas anchors the latest news, going beyond the headlines to see how lives are affected by the world around them.

The Emmy-winning quiz show features a unique answer-and-question format.

In a classic game-show version of "Hangman," contestants solve word puzzles for cash and prizes.

A new group of ninjas enters the competition as the central regional qualifying rounds begin in Las Vegas with an updated obstacle course; hosts Matt Iseman and Akbar Gbajabiamila, along with co-host Zuri Hall, select their fastest pick of the night.

Anchored by Lester Holt, "Dateline" is NBC's signature newsmagazine, bringing viewers storytelling at its best by putting the pieces together to present the full picture of real-life events. NBC News correspondents cover compelling stories and issues of the day, ranging from mystery and crime to in-depth investigations and breaking-news events.

Staying informed with the news and headlines.

Host Will Ferrell; Paul McCartney performs.