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.

Human evolution is not a straight line but a complex branching tree shared with other great apes. This overview explains the ...

A look at James Fox's expanded documentary on the 1996 Varginha UFO incident in 'Moment of Contact: New Revelations of Alien Encounters.' ...

A 1.6-million-year-old Ethiopian skull blends ancestor and descendant features, rewriting the origin story of Homo erectus.

For decades, a neat story about human origins has floated through textbooks and documentaries: modern humans emerged in East Africa, then spread south later. It’s clean, familiar, and easy to repeat.

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 ...

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 ...

A first-of-its-kind documentary set to premiere in spring 2026 is pulling back the curtain on what cybersecurity journalist Tony Bradley describes as an often-overlooked reality: the immense mental ...

Renaud Joannes-Boyau receives funding from the Australian Research Council. Manish Arora receives funding from US National Institutes of Health. He is the founder of Linus Biotechnology, a start-up ...

A timeline of genetic changes in millions of years of human evolution shows that variants linked to higher intelligence appeared most rapidly around 500,000 years ago, and were closely followed by ...