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

NASA’s Europa Clipper mission is set to investigate Jupiter’s icy moon for signs of a vast subsurface ocean and the chemical ...

With 3I/ATLAS streaking away from our planet, speculation remains as to whether the interstellar comet is alien or not.

The hunt for intelligent life beyond Earth has quietly entered a more exacting phase, and one small, cool star has become a ...

Long before scientists discovered that other stars in the universe host their own planetary systems, humanity had ...

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

Breakthrough Listen searched for technosignatures from interstellar comet 3I/ATLAS but found no unusual signals or behavior ...

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

One estimate by an engineer in SCU forecasts that given 300 "actual" UAP sightings per year — and assuming random ...

Because Titan is tidally locked, the same side of the moon faces Saturn all the time, just like our own moon and Earth.

How can star populations help astronomers re-evaluate the search for intelligent extraterrestrial life, also called technosignatures? This is what a study released on the preprint server arXiv, hopes ...

SETI's 1977 "Wow!" signal from deep space was even stronger than originally thought, but its source remains a complete ...