Astronomers have captured spectacular images of a comet, C/2025 K1 (ATLAS), breaking apart in three large pieces during its ...

Discovered over the summer, the comet known as 3I/Atlas is only the third confirmed object to visit our corner of the cosmos from another star. It zipped harmlessly past Mars last month.

An interstellar trespasser known as 3I/ATLAS is almost certainly a comet. So, why do so many people think it's ...

An interstellar trespasser known as 3I/ATLAS is almost certainly a comet. So, why do so many people think it's ...

While the internet has been buzzing over the mysterious 3i/Atlas, with some even speculating it could be an alien spacecraft ...

The interstellar comet 3I/Atlas has captured global attention as it moves across the Solar System. Its unusual chemistry and ...

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

With the government reopened, the space agency at last released pictures captured by a fleet of government spacecraft of an ...

As far as physical features, NASA says 3I/ATLAS has speed, color, and direction that are, “consistent with what we’d expect ...

While none of the spacecraft have cameras perfectly designed to spot comets zipping by at speeds up to about 153,000 miles per hour (246,000 kilometers per hour), astronomers didn’t want to miss what ...