Exoplanets like Earth have been discovered but not all Earth-like planets are equal when it comes to alien life.

Alien life on a new planet “may not have DNA like humans but might walk on two legs”, experts have revealed. It follows the discovery of an extraterrestrial world around 120 light years away from ...

An ocean world that's teeming with microbes — and who knows what other kinds of life — is currently the best explanation for some chemical signatures that the James Webb Space Telescope has spotted in ...

Astronomers have found nearly 6,000 exoplanets orbiting other stars. But for every confirmed detection, there are countless mere hints, inconclusive observations that could just as well be blips of ...

A layer of molten rock deep inside some rocky planets may be doing more than shaping their interiors. New research points to ...

Far beyond the eight familiar planets in our solar system, countless bizarre and extreme worlds await discovery — and some have already been found. Thanks to rapidly advancing telescope technology, ...

More planets could be homes for aliens than we thought, scientists say - Planets we thought were not inhabitable might actually be liveable, researchers suggest ...