For the first time in years, astronomers are seriously talking about adding a new member to the solar system’s planetary ...

This gas cloud located 500 light years away from our solar system is about to become a planet.This process usually takes a ...

Roughly four and a half billion years ago the planet Theia slammed into Earth, destroying Theia, melting large fractions of ...

The search for an unknown planet in our solar system has inspired astronomers for more than a century. Now, a recent study suggests a potential new candidate, which the paper’s authors have dubbed ...

Simulations reveal that Jupiter’s rapid growth disrupted the early solar system, creating rings where new planetesimals ...

Researchers from the Max Planck Institute for Solar System Research led the study. They examined iron isotopes in 15 Earth ...

Astronomers have spotted an intriguing cluster of objects in the Kuiper belt, an enormous, donut-shaped region of icy objects ...

New research shows that Theia, the planet that collided with Earth and formed the Moon, was a rocky world born closer to the ...

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 ...

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.