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

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

NASA has a number of telescope assets which have captured images of interstellar comet. They include: The Hubble, Webb, TESS, ...

If you've ever wondered why we are here, then you can thank Jupiter for part of the answer. A new study from Rice University ...

Scientists say 3I/Atlas came closest to Mars in October. Its path this month put it in the path of the warm rays of our sun, where a tail became more visible. The 3.5-mile solar object is traveling at ...

A newly discovered comet named C/2025 V1, which some have compared to 3I/ATLAS, is due to make its closest approach to Earth on Tuesday, Nov. 11.

NASA has unveiled close-up pictures of an interstellar comet that's making a quick dash around the solar system.Discovered in ...

A newly discovered cluster of objects called the “inner kernel” of the Kuiper belt could teach us about the early history of ...

Space looks very dark from Earth. But does the solar system, and the universe for that matter, have an area that's the ...

A series of three powerful flares and associated explosions of solar material out across the Solar System have set Earth ...

Guest: Professor Dagomar Degroot, environmental historian at Georgetown University and author of Ripples on the Cosmic Ocean: ...

Astronomers say they spotted signs of a giant explosion releasing from a star beyond our solar system, one powerful enough to destroy a planet’s atmosphere.