According to intelligence reports, each alien species has a humanoid appearance with two arms and legs, Davis claimed.

When ET phones home, it could be his last call. Contrary to sci-fi movie depictions, our first contact might not be with a super advanced alien civilization at the height of power. Rather, Ivy League ...

Declassified FBI files detail 1950s claims that aliens viewed humans as the lowest life form, revealing how US agents investigated extraordinary reports without confirming them.

Could intelligent alien civilizations really exist somewhere beyond Earth? As advanced telescopes continue discovering new potentially habitable worlds every year, that possibility seems more ...

In her new book "First Contact," journalist Becky Ferreira explores the scientific search for alien life, our cultural obsessions with extraterrestrials and why the truth may be more human than we ...

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