NASA's most eye-catching hints of alien life on Mars and a distant exoplanet left headlines breathless in 2025, but a major ...

Only 6.6% of surveyed astrobiologists agreed that scientists had probably found extraterrestrial life on exoplanet K2-18b.

Alien probes could already be hiding somewhere in our Solar System – and our current surveys are nowhere near good enough to ...

Seven organic molecules that have never been seen before on Mars just turned up inside a single rock — and one is a precursor ...