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

The Manhattan-sized interstellar visitor hurtling through space has captured the imaginations of UFO watchers for months and ...

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

A mysterious interstellar comet known as 3I/ATLAS is about to make its closest approach to Earth in December 2025. Here's everything to know about it.

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

Physicists discovered that the famous ‘Star Trek’ spaceship got a lot right about designing a ship to jump from galaxy to ...

But 3I/ATLAS is no ordinary rock – it’s a comet from beyond the solar system which greeted the Earth on December 19. It’s ...

Learn about the 3I/ATLAS mystery as Harvard's Avi Loeb reveals 'wobbling jets' that could suggest the interstellar visitor is ...

ATLAS made its long-awaited nearest approach to Earth on Friday but just hurtled past, showing that the aliens who "sent" it ...

The mystifying 3I/ATLAS interstellar comet is blazing toward Earth and will soon come as close to our planet as it ever will.

Harvard's Avi Loeb investigates whether the interstellar object 3I/ATLAS is leaking artificial propellants, suggesting that ...

"Star Trek" is home to countless alien species, many of whom offer beloved characters. Some are not. We rank the 10 most ...