Scientists may have just taken one of the biggest steps yet in the search for life beyond Earth. Meet K2 18 b, a distant ...

A new survey of hundreds of astrobiologists reveals that, despite NASA's high-profile declarations about Mars and exoplanet K2-18b, most experts do not yet think alien life has probably been found.

Is alien life really out there? For decades, humanity has looked at the night sky and asked the same question. Now, according ...

Are we alone in the universe? Steven Spielberg and the cast of Disclosure Day don't think so. The team behind the sci-fi thriller extensively studied testimonies from people who claim to have ...

A pair of stubborn molecules, prized because they can survive deep time, just passed an important Mars test by failing a very ...

PARIS, France — An interstellar comet that blazed past the Sun last year could be nearly three times older than our Solar ...

Astronomers studying the interstellar comet 3I/ATLAS say it could be a 12‑billion‑year‑old relic formed in near‑absolute‑zero ...

The recent discovery of an enigmatic substance on the surfaces of both Titan, Saturn’s largest moon, and Pluto, our solar ...

Astronomers say interstellar comet 3I/ATLAS may be up to 12 billion years old, making it far older than the Solar System. New ...

Add Yahoo as a preferred source to see more of our stories on Google. SETI scientists scanned interstellar object 3I/ATLAS for radio technosignatures and found no evidence of artificial signals.

Starting in 2030, ESA’s rover Rosalind Franklin will search for traces of life on Mars. The MPS is contributing a scientific ...

Scientists are raising concerns that we may be overlooking evidence of extraterrestrial life even when it is present. Hidden ...