Scientists continue to explore one of humanity’s biggest questions: are we alone in the universe? This documentary examines the modern search for intelligent alien life, from advanced telescopes and ...

Scientists are listening in on sperm whale conversations and studying Earth's strangest microbes to prepare humanity for ...

A well-known conspiracy theory (also seen in The X-Files) attests that aliens are in communication with the U.S. government, ...

The universe is vast and teeming with stars – but if intelligent life exists, it may not be able to visit Earth.

Astrophysicist Dr. Emma Chapman asserts intelligent alien life exists but dismisses UFO cover-up theories as baseless, urging reliance on scientific data over speculation.

A space boffin says intelligent aliens 'absolutely' exist, but blasts UFO cover-up theories as she waits for an ET radio ...

The White House has launched a controversial new website called Aliens.gov — but the extraterrestrial-themed page isn't for disclosures on UFOs.

As the Pentagon throws open its extra-terrestrial files, Disclosure Day depicts encounters of an even closer kind.

By studying Earth's toughest microbes and complex animal "speech", scientists are reshaping how we search for – and may someday talk to – alien life.

Benjamin Tennyson has some extremely smart transformations, but certain forms are clearly smarter than others.

Radio astronomer Emma Chapman explains why the radio view of the universe is so crucial to space exploration, astronomy, and ...

“The way I see it, there’s nothing to fear,” said former President Jimmy Carter, who once reported seeing a UFO. “If there is ...