The research is mounting up that we might not be alone in this big wide world. So what's the likelihood that aliens are out ...

From Viking to Perseverance, scientists have spent decades chasing chemical hints that could point to life beyond Earth.

Humanity may be one step closer to finally answering the question of whether we're alone in the cosmos with a definitive "no." A team of astronomers said it has found signs of what could be ...

One of Britain’s most prominent space scientists believes humanity may finally get an answer to one of its oldest questions ...

Astronomers using the James Webb Space Telescope (JWST) have identified what they describe as the most compelling evidence so far for biological activity beyond Earth. The findings focus on the ...

James Webb finds a hot planet that is tidally locked with its parent star, is coated with a thick atmosphere of volatile chemicals.

The idea of dinosaurs roaming alien planets is compelling, but science paints a more cautious picture. No direct evidence of ...

"Alien: Earth" follows a group of soldiers as a ship carrying a Xenomorph crash-lands on Earth. The FX TV series is set in the same universe as the "Alien" movies. Here's when "Alien: Earth" takes ...