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

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 ...

Many experts believe that aliens exist in the universe, with the key elements needed to sustain life found on comets, ...

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

Polling shows that nearly half of Americans now believe aliens have visited this planet—and that the number who aren't sure ...

Early Mars seems to have had a protective atmosphere and liquid water in the form of oceans, rivers, and lakes. It may also ...

It may come to save us or destroy us.' ...

Explorers go to a planet that they believe holds clues to the origins of mankind. While the 2025 TV show ignores the Prometheus arc, it remains the oldest, non-AVP installment in the franchise. It ...

A new glass sponge species is so strange that has been given the name named Advhena magnifica, which means "magnificent alien ...

The 24-year-old actor — who plays one of the show's two adult Xenomorphs — had to film a fight scene with the CGI-generated creature, but he wasn't left completely in the dark. The Alien: Earth ...