"Star Trek" is home to countless alien species, many of whom offer beloved characters. Some are not. We rank the 10 most ...

Are aliens real? A Nature Astronomy study reveals 87% of experts believe life exists. Explore how 3I/ATLAS and AI are ...

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 ...

President Donald Trump has been fully briefed on America's secret UFO programs and the existence of multiple alien races here on Earth. At least that is ...

Pocock, a space scientist at University College London and BBC presenter, predicts alien life will be found by 2075 but ...

Alien vs Captain America #2 hits stores Wednesday. Cap and the Commandos face HYDRA's xenomorphs while Red Skull plays mad scientist. What could go wrong?

There's the invasion by a warlike species, there's the highly evolved species trying to communicate with our primitive ...

From mudstones on Mars to strange gases in exoplanet atmospheres, tentative evidence for extraterrestrial life is starting to ...

Pluribus Season 1 presents a fascinating sci-fi mystery and leaves viewers with plenty of questions heading into Season 2.

3I/ATLAS came within 168 million miles of Earth around midnight CST Friday. While that might seem pretty far away, the ...

Following speculation that comets could have been alien spacecrafts, more and more experts in the field are convinced that ...

For more than a century, popular culture has trained us to picture extraterrestrials as bug-eyed, bipedal “little green men” ...