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

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

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

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 ...

Is 3I/ATLAS an alien probe? Breakthrough Listen uses the Green Bank Telescope to search for technosignatures as the ...

A mysterious metal shard, once thought to be a piece of a UFO that crashed in 1947, has sparked years of wild speculation.

The Perseverance rover has been exploring Jezero Crater for years, but it's never found an otherworldly object quite like ...

Breakthrough Listen searched for technosignatures from interstellar comet 3I/ATLAS but found no unusual signals or behavior ...

Discover compelling UFO headlines from 2025, featuring new scientific evidence, mysterious underwater objects and government ...

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

Astronomers thought they had seen the "first hints of life on an alien world" this year, but they disappeared under closer ...

In 2025, astronomers sharpened their view of the planetary system around Proxima Centauri — the sun's closest stellar ...