Hubble is often associated with distant galaxies, but some of its most surprising discoveries were much closer to home. From ...

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

A newly studied solar system breaks the usual planet pattern, raising fresh questions about how rocky and gas planets form.

Add Yahoo as a preferred source to see more of our stories on Google. The interstellar comet, originally called A11pl3Z and now known as 3I/Atlas, was first reported by the Asteroid Terrestrial-impact ...

For millions of years, a frozen wanderer drifted between the stars before slipping into our solar system as 3I/ATLAS—only the ...

Jupiter is already the biggest planet by far in our solar system, but new research suggests it was somehow once even larger than it is now. Twice as large, in fact. To put that into context, those ...

The search for life isn’t limited to distant exoplanets—some of the most promising candidates may be right here in our own solar system. Ancient Mars, the vast subsurface oceans of Europa and ...

Astronomers have found a distant world that challenges planetary formation theory, with a rocky planet where gas giants should be.

NASA's infrared telescope SPHEREx captured stunning images of interstellar comet 3I/ATLAS as it exited the solar system.

"If our solar system is indeed moving this fast, we need to question fundamental assumptions about the large-scale structure of the universe." When you purchase through links on our site, we may earn ...