During September's total lunar eclipse, astronomers captured rare images of interstellar comet 3I/ATLAS glowing green, ...

Astronomers say that mysterious interstellar visitors like 'Oumuamua and 3I/ATLAS are the most common large bodies in the ...

But over the summer, 3I/ATLAS, has plunged toward the inner solar system—and the fireworks show has begun in earnest. When ...

This quiz invites you to chase comets through time and space, from ancient omens to modern scientific marvels.

Pfalzner's models show that interstellar objects — bodies ejected from other star systems — could be captured by these planet-forming disks. These objects could "seed" the disks, sweeping past the ...

Astronomers have detected the chemical fingerprint of a frozen, water-rich planetary fragment being devoured by a white dwarf ...

According to Dean Duffy, the new NASA administrator, a rock sample collected by the Perseverance rover was the "clearest sign ...

Do we know what space actually smells like? And what about other planets, moons, and celestial bodies? Here's what the ...

NASA scientists have firmly rejected claims by Harvard astronomer Avi Loeb that the interstellar comet 3I/Atlas may be a ...

When considering the unnamed major features of all the moons, asteroids, and comets in our solar system, there are still a ...

The ESA/NASA Solar and Heliospheric Observatory (SOHO) has officially discovered 5000 comets. Comet number 5000 was spotted ...

The comet, which poses no risk to Earth, first burst onto the scene July 1, spotted by NASA’s ATLAS survey telescope in Chile ...