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

The research is mounting up that we might not be alone in this big wide world. So what's the likelihood that aliens are out ...

Are aliens real? A Nature Astronomy study reveals 87% of experts believe life exists. Explore how 3I/ATLAS and AI are ...

An international team of researchers pointed the largest single-dish radio telescope in the world at 3I/ATLAS.

If nonliving materials can produce rich, organized mixtures of organic molecules, then the traditional signs we use to ...

There's the invasion by a warlike species, there's the highly evolved species trying to communicate with our primitive ...

A dedicated scan for signs of radio-transmitting technology in interstellar comet 3I/ATLAS has come back with absolute ...

Astronomers thought they had seen the "first hints of life on an alien world" this year, but they disappeared under closer ...

In late November 2025, astronomers captured an unprecedented cosmic signature: the first X-ray emissions ever detected from ...

Rogue planets — worlds that drift through space alone without a star — largely remain a mystery to scientists. Now, ...

Humanity is on the way to confirming the existence of non-human entities and making contact with aliens within the next 50 ...

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