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

Add Yahoo as a preferred source to see more of our stories on Google. But now a fourth and much larger object has been spotted entering the solar system, and the scientific community is rushing to ...

Scientists have discovered something that they previously thought wasn’t possible – an ‘inside out’ star system. When you ...

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 ...

On May 21, the International Astronomical Union’s Minor Planet Center announced the discovery of 2017 OF 201, which, because of its distance beyond Neptune, is classified as a trans-Neptunian object ...

Hubble observations reveal a giant, turbulent planet-forming disk that may reshape theories of how planetary systems develop.

The Oort Cloud is often described as the outermost boundary of the solar system, but its true role remains uncertain. This vast, invisible region of icy objects may extend far beyond the orbits of ...

CREDIT: ALMA(ESO/NAOJ/NRAO)/M. McClure et al. Get the Popular Science daily newsletter💡 Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of ...

This article was originally featured on The Conversation. Are planets in the solar system that are closer to the Sun older than the ones further away? – Gavriel, age 10, Paducah, Kentucky A cloud of ...

The workings of our solar system are roughly the same now as they have been for millions of years. Moons circle their planets, the planets circle the sun, the sun’s magnetic fields and sunspots wax ...