Scientists reveal that interstellar visitor 3I/ATLAS could be delivering organic building blocks to Jupiter's moon Europa, ...

About 470,000 “interesting” radio hits can still add up to zero. That was the practical outcome when astronomers aimed one of ...

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

Harvard scientist Avi Loeb presents chilling theories that interstellar object 3I/ATLAS is alien technology, citing anomalies ...

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

A team of astronomers have used the Hubble space telescope to capture with direct imaging asteroids smashing into each other ...

The continent’s ice is melting and raising sea levels worldwide. Our journalists will be sending regular dispatches as they ...

A new computational model suggests that Uranus' and Neptune's cores may be less icy than their "ice giant" nickname suggests.

Imagine peeling back miles of frozen white and revealing valleys, rivers, and mountains that haven't seen sunlight in tens of ...

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

Decades ago, a spacecraft suggested Saturn's largest moon, Titan, had an ocean. New observations suggest that the liquid may look more like slush. When you purchase through links on our site, we may ...

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.