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

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

Renowned space scientist Maggie Aderin-Pocock is 'absolutely convinced' life exists beyond Earth, predicting confirmation by ...

May the faint chemical signals drifting through the atmosphere of a distant world be the long-sought message that we are not alone. Astronomers have reported seeing an unusual and strong combination ...