Astronomers have discovered icy rocks in the outer solar system that seem to defy the laws of physics, raising questions ...

The object, known for now as 2026 ED138, is one of the first discoveries by the new Vera C. Rubin Observatory in Chile.

Many people have formed strong opinions on this topic in an ongoing cultural conversation — you might even have one yourself. Pluto had been known as the ninth planet of our solar system ever since ...