Prehistoric sea cows, a mouse-sized opossum, a smiling deep-sea fish and live-birthing toads highlight a year of discoveries ...

Interstellar visitor 3I/ATLAS has just been subjected to one of the most sensitive alien-technology checks ever mounted on a ...

A mysterious metal shard, once thought to be a piece of a UFO that crashed in 1947, has sparked years of wild speculation.

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

Scientists have sought out and detected radio emissions from from interstellar comet 3I/ATLAS, all but confirming that it has natural origins.

Scientists using NASA’s James Webb Space Telescope have found a unique planet in another star system that’s shaped like a lemon. The lopsided Jupiter-style planet is so bizarre that it may blur the ...

It came from outer space. Interstellar space, to be precise. From somewhere beyond the influence of our sun, possibly from ...

Polling shows that nearly half of Americans now believe aliens have visited this planet—and that the number who aren't sure ...

A deep image of interstellar Comet 3I/ATLAS captured by the Gemini Multi-Object Spectrograph (GMOS) on Gemini South at Cerro Pachón in Chile, one half of the International Gemini Observatory and ...

A jury convicted a Milwaukee judge on one count of felony obstruction Thursday, the Associated Press reported, after she was accused of helping a man who was in the U.S. illegally evade federal ...

Authorities said on Dec. 16 that they launched a homicide investigation after a professor at the Massachusetts Institute of Technology was fatally shot at his home. Nuno F.G. Loureiro, a 47-year-old ...

When astronomers search for life beyond Earth, they usually start with a familiar question: could a particular exoplanet support biology like ours? Liquid water, mild temperatures, and Earth-like ...