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

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

Aliens exist - they just haven't visited Earth, NASA veteran Dr Gentry Lee has claimed.

If you've been following exoplanet research over the last couple of years, you've definitely heard of K2-18b. Located 124 ...

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

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

Questions about what the federal government may know about extraterrestrial life in the cosmos — or possibly even here on ...

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

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

A team of U.S. and U.K. researchers has outlined a new way to detectalien moons by tracking subtle flashes of reflected light during lunar eclipses in distant planetary systems. The method, designed ...