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 ...

The search for extraterrestrial life has long gone back and forth between scientific curiosity, public fascination and outright skepticism. Recently, scientists claimed the “strongest evidence” of ...

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

Scientists may soon detect alien life. Astronomer David Kipping suggests initial signals will be loud and unusual. This is because the first detected civilizations might be in decline. Past ...