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

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

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

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

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

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

Using JWST, scientists discovered PSR J2322-2650b — a carbon-rich, lemon-shaped exoplanet orbiting a pulsar — challenging ...

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 budgetary issues to wanting to recast Sigourney Weaver as Ellen Ripley, James Cameron’s version of Aliens almost never ...

A study using the Very Large Array radio telescope may have discovered a magnetic field on exoplanet YZ Ceti b. Magnetic fields protect planets from energetic particles that can strip away atmospheres ...

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

Interstellar comet 3I/ATLAS makes its closest approach to Earth this week, sparking alien theories and global interest as ...