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

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

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 ...

Just north of the Martian equator lies a 45 km (28 mi) wide impact crater that scientists believe may have been the site of an ancient lake. Here at Jezero Crater, scientists theorize that its frozen ...

James Webb has detected a molecule in the atmosphere of the exoplanet K2-18b that could be linked to life. The molecule, ...

Because Titan is tidally locked, the same side of the moon faces Saturn all the time, just like our own moon and Earth.

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

With 3I/ATLAS streaking away from our planet, speculation remains as to whether the interstellar comet is alien or not.

Europa has a vast, saltwater ocean beneath its icy shell, with more than twice the amount of water in all of Earth’s oceans ...

Long before scientists discovered that other stars in the universe host their own planetary systems, humanity had ...

The key idea behind our framework is that life produces molecules with purpose, while nonliving chemistry does not. Cells ...