Remember 3I/ATLAS? Yes, the interstellar comet that made plenty of headlines in 2025 is still romping through our solar ...

It's possibly as big as Manhattan, likely older than our own solar system and it's traveling through space at speeds of up to 153,000 miles per hour. It's also only the third confirmed interstellar ...

NASA hosted a livestream Nov. 19 to share newly released images of Comet 3I/ATLAS, the third known interstellar object to traverse our solar system. The unprecedented observation campaign utilized a ...

Astrophysicists are scrambling to study an ancient comet from another star system that entered the solar system this year, and which has already swung past Mars. Dubbed 3I/ATLAS, the comet poses no ...

NASA shared some new infrared images of the 3I/ATLAS interstellar comet this week, showing the visitor brightening up in a dramatic outburst while exiting a solar system. The images were taken by the ...

Thirty-six years after it was launched from Earth on a tour of the outer planets, the plutonium-powered probe is more than 11 1/2 billion miles from the sun, cruising through what scientists call ...

3I/ATLAS, an interstellar object identified by NASA as a comet, recently passed its closest point to the sun. Scientists around the world are observing its months-long journey to learn more about the ...

A planetary system 116 light-years from Earth has a peculiar pattern. It could flip the script on how planets form, scientists say.

Interstellar comet 3I/ATLAS has spent the last several months on a tour of our solar system. NASA spacecraft and telescopes have snapped photos of this celestial visitor over the course of its journey ...

NASA’s Planetary Defense Coordination Office sounds like something out of a disaster movie, but its work is far more methodical than cinematic. Instead of scrambling at the last minute, the office ...

Neptune's winds travel at more than 1,500 mph, and are the fastest planetary winds in the solar system. Comets are cold, dirty aggregations of rock and ice that release gas or dust. The solid core of ...

In the latest scientific discovery, the Hubble Space Telescope shocks space enthusiasts by revealing an unusual object that ...