Are aliens real? The question has animated conspiracy theories for decades and enthralled at least one former president of ...

Science fiction has imagined everything from little green men to tentacled monsters—but real biology may offer clearer clues. Evolution follows universal rules, meaning alien life on Earth-like ...

To support alien life, a planet doesn’t have to be exactly like Earth, but it does need a few key ingredients. First, it ...

SIGNS of an alien planet that’s about the same size as Earth have been picked by up a Nasa telescope. Scientists say it might even be within its host star’s “habitable ...

With Area 51 ruled out by President Obama, where might aliens really be hiding? Scientists have now revealed the best candidates.

Legendary fighting game studio Arc System Works has announced Donutal, an "alien screening adventure" in which the characters ...

How big would a telescope need to be to see Earth’s dinosaurs from 66 million light-years away? Think big—and then think ...

Planet K2-18b, an apparent water world 124 light years away, has been seen as a promising location in the search for aliens, ...

Human intelligence wasn’t a cosmic evolutionary fluke, some scientists say. The case against cosmic loneliness is growing.

Self-proclaimed godman Ponga Hariom Das has grabbed headlines after claiming that he has travelled across planets, visited ...

If life exists elsewhere in the universe, researchers at the University of Washington are finding the clues on Earth to help ...