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

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

Tantalising signs of past microbial life showed up on Mars this year, but to truly know whether they contain the answer to ...

Futurist Michio Kaku sees humans doing ballet on Mars and projecting their brains into the cosmos. And aliens? Oh, they're ...

Pluribus imagines Kepler-22b as an ocean world that sends a gift to humanity through radio waves. In real life, no such ...