These are the 10 most-streamed new FRONTLINE documentaries of 2025 — and they're all streaming for free at pbs.org/frontline, on YouTube and in the PBS App.

This documentary uncovers the full evolutionary timeline of prehistoric creatures that shaped North America long before humans appeared. It examines how early species adapted to violent climatic ...

EWTN Global Catholic Network will premiere a powerful new one-hour feature documentary that explores the early life of the late Pope Francis, offering an intimate look at the man behind the papacy and ...

That resourceful "trash panda" digging through your garbage may be more than just a nuisance -- it could be a living example of evolution in progress. A new study suggests that raccoons living near ...

In the latest twist in human evolution, scientists have discovered that a mysterious foot found in Ethiopia belonged to a previously unknown ancient relative. Dated to around 3.4 million years ago, ...

The decades-long mystery surrounding strange, unknown objects spotted throughout the skies has long remained under classification and shielded from the American public. However, the shroud of secrecy ...

In 2009, Yohannes Haile-Selassie and his team were combing the desert landscape of Burtele, a paleontological site in the Afar Region of Ethiopia, when Stephanie Melillo found something remarkable: an ...

Tal Sharf (right, senior author), Tjiste van der Molen (middle, postdoctoral researcher), and Greg Kaurala (left, staff researcher). Humans have long wondered when and how we begin to form thoughts.

The truth is out there — and late President George H.W. Bush apparently knew it — telling a federal official that an alien made contact with humans at a secretive New Mexico air base in 1964, ...

For decades, U.S. military pilots, radar operators, and everyday Americans have reported mysterious objects in the skies — sightings often brushed aside, classified, or left unexplained. According to ...

Analyses of fossils and ancient genomics reveal how early human populations bred less wolf-like companions, and how they might have traded them around the world. From Pomeranians to poodles, Saint ...