As this interstellar object approached its closest point to Earth, a massive radio telescope attempted to sniff out a ...

Astronomers conducted a radio scan of interstellar object 3I/ATLAS, finding no credible signs of artificial technology, supporting its natural origin.

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

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

The Perseverance rover has been exploring the Jezero Crater for years, and it's finally found a potential meteorite, now ...

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

Texas authorities arrested a suspected caretaker and discovered 17 individuals illegally present during a human smuggling operation in Laredo on Tuesday.

One that caught attention from many was a type of sea mollusk that washed ashore on South Padre Island in late May.

Harvard's Avi Loeb argues 3I/ATLAS shows signs of alien technology, from its 0.2% probability flight path to bizarre metal ...

A new study referencing a past NASA Cassini observation found the presence of 'slushy tunnels' in Saturn's largest moon Titan ...

Until now, scientists believed that Mars’ skylights – pits in the surface of mars – were formed by volcanic activity. But ...

Is 3I/ATLAS an alien probe? Breakthrough Listen uses the Green Bank Telescope to search for technosignatures as the ...