Stunning new photos show the pieces of the "other ATLAS," C/2025 K1, breaking apart in space after the golden comet suddenly ...

It's possibly as big as Manhattan, likely older than our own solar system, and it's traveling through space at speeds of up ...

Comet Nishimura came into NASA's STEREO-A spacecraft's field of view. The solar wind was interacting with the tail of the ...

The rare interstellar comet, also known as 3I/ATLAS, was first discovered in July and has been photographed several times.

Scientists say that 3I/ATLAS has likely been traveling through interstellar space for a long time. Based on how fast it was ...

NASA released new images of 3I/ATLAS, the third comet ever to be discovered in Earth's cosmic neighborhood originating from ...

While the feds idled, an interstellar object known as 3I/ATLAS was barnstorming the solar system, at a speed that reached 153 ...

According to the team, the object likely came from the direction of Sagittarius, and will depart our Solar System towards ...

The object is the third interstellar visitor to our solar system ever confirmed. It will reach its closest point to Earth ...

A comet hurtling through the solar system from interstellar space is exactly what it appears to be, NASA officials said Wednesday, moving to quash a wave of online speculation.

Every week, Space.com delivers the latest discoveries, launches, and cosmic curiosities from across the universe. From ...

Two bright green comets are streaming through the skies and are visible to skygazers in the Northern Hemisphere. Both hail from the outer edges of our solar system — possibly what's known as the Oort ...