DNA dominates life on Earth, but modern chemistry and evolutionary theory suggest it may be only one possible solution for ...

We have no idea what kind of life may exist on other planets, so it’s hard to know what to look for. Proxima Kósmos imagines ...

Do aliens exist? Could Earth really be the only planet hosting intelligent life? Debates over the existence of extraterrestrials date back to the earliest Indigenous and western thought. The tools ...

Could there be life on other planets, and if so, what would it look like? Astrobiologist Lewis Dartnell is hunting for alien ...

Neil deGrasse Tyson is an astrophysicist who is the director of the Hayden Planetarium at the American Museum of Natural ...

As Trump declassifies decades of military secrets while teasing "very interesting" UFO findings, the nation is sounding off— ...

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) Over the past decade, scientists have come up with a variety of frameworks to guide ...

Extraterrestrials are already here on Earth, disguised as humans or living in secret bases hidden underground or even on the far side of the moon, according to a shocking new scientific paper from Ivy ...

Don't they have something to do ? Even if there were any other life forms in the universe, the distance is far to great to make observation/communication likely. I ...