This Small, Icy World Could Rewrite What We Know About Our Solar System's Past

A rare discovery beyond Neptune is forcing scientists to rethink early solar system dynamics and the forces that shaped ...
Yahoo

Is There Actually A Ninth Planet In Our Solar System? Here's What We Know

Add Yahoo as a preferred source to see more of our stories on Google. Digital art of distant planet - Dottedhippo/Getty Images On August 24, 2006, our solar system lost a planet. It wasn't by ...
Live Science

An extra solar system planet once orbited next to Earth — and it may be the reason we have a moon

Earth may have a moon today because a nearby neighbor once crashed into us, a new analysis of Apollo samples and terrestrial rocks reveals. When you purchase through links on our site, we may earn an ...
Live Science

Astronomers discover new dwarf planet 'Ammonite' — and it could upend the existence of Planet Nine

A newly discovered dwarf planet called 'Ammonite' (2023 KQ14) has been spotted in the outer solar system, and it could be another nail in the coffin for the Planet Nine hypothesis. When you purchase ...
Space.com

When did our solar system's planets form? Discovery of tiny meteorite may challenge the timeline

A tiny meteorite is rewriting what scientists thought they knew about the origins of our solar system. New evidence found in shavings from a meteorite known as Northwest Africa 12264 — a 50-gram (1.8 ...