The comet is the third object ever confirmed to have entered our cosmic neighborhood from elsewhere in the galaxy. Space ...

NASA's Hubble Space Telescope caught a glimpse of 3I/ATLAS – again. Here's a look at the latest photo of the intriguing ...

December is the month that fans of 3I/ATLAS have been waiting for as the interstellar comet makes its closest approach to ...

Sometime in 2029, the European Space Agency is scheduled to launch its Comet Interceptor Mission. The Interceptor will wait ...

I do so love an ostentatious comet. As I wrote in a recent “The Universe” column, when these dusty ice balls are billions of kilometers from the sun, they’re frozen solid. But as they near our star on ...

The giant dirty snowball has been seen dimming and brightening, akin to a ‘heartbeat’, according to one Harvard ...

The European Space Agency (ESA) has made an unusual observation of comet 3I/ATLAS in a “test case” for future planetary defense efforts. Using data collected from a Mars-orbiting satellite, ...

"Every single subframe I take (prior to stacking) now contains at least one, and usually more than one satellite streak." Recent months have seen space fans revel in a wealth of spectacular ...

Amateur astronomers across Europe have reported similar sightings. Michael Jaeger of Austria, who has been tracking 3I/ATLAS since Nov. 4, captured a spray of four or five plumes. "We have something ...

Astronomers around the world are accelerating their study of Comet 3I/ATLAS, the third confirmed interstellar object to enter ...