GJ 3378b could be just large enough and just close enough to its star to host life (Picture: Nasa) Aliens could call a planet about a 282 million-year drive away home, scientists say. GJ 3378b is an ...

Avi Loeb, a Harvard astronomer who has made headlines with his theories about alien encounters, will lead a White House ...

NASA works with scientists worldwide to advance our understanding of what hazards are in our solar system and how we can mitigate the risks.

Disclosure Day has plenty of UFOs and extraterrestrial species but very little of the human insights found in the filmmaker’s ...

By Osmary Hernández and Lex Harvey, Stefano Pozzebon, CNN La Guaira, Venezuela (CNN) — Relatives are desperately searching ...