Hubble's latest images of interstellar comet 3I/ATLAS reveal sustained, jet-like eruptions and a carbon dioxide-rich coma ...

The vast, silent void between the stars occasionally coughs up a visitor that sets the scientific world—and the ...

Is 3I/ATLAS a natural comet or an alien probe? Harvard's Avi Loeb explores the mystery of its sunward 'anti-tail' and what it ...

A strange world just 47 light-years from Earth is rewriting what scientists thought they knew about alien planets. Hidden ...

Leading X-ray space telescopes XMM-Newton and XRISM have spotted a never-seen-before blast from a supermassive black hole. In ...

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

The agency will conduct a controlled experiment on a closed course to study the effects of warning devices to help determine ...

Border Patrol and ICE officers conducted two separate operations that led to the arrests of 87 alleged "illegal aliens" with ...

All the players who rocked our world, in the year of Oasis reunions, Black Sabbath farewells, and guitarists keeping their ...

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

Avi Loeb says interstellar objects such as 3I/ATLAS could carry time capsules into deep space faster than spacecraft built with 1970s technology ...

The Oscar nominee comes full circle from the 'Alien' franchise in James Cameron’s newest Pandora adventure — and not just ...