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

The outer planets of the Solar System are swarmed by ice-wrapped moons. Some of these, such as Saturn’s moon Enceladus, are ...

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

The outer planets of the solar system are swarmed by ice-wrapped moons. Some of these, such as Saturn's moon Enceladus, are ...

NASA scientists were baffled after uncovering a rock on Mars that didn’t belong there — with a composition pointing to ...

At the farthest reach of the Sun’s influence, NASA’s Voyager 1 spacecraft has stumbled into a region that behaves less like ...

What can dust grains that were returned to Earth from the asteroid Ryugu teach scientists about the early solar system? This is what a recent study published in AGU Advances hopes to address as an ...

NASA's Perseverance rover discovers shiny metallic rock on Mars that could be a meteorite from an ancient asteroid, ...

Water isn't just delivered to planets by comets and asteroids — it can also be forged as worlds form, a new study finds.

Theia, the world that helped form the Moon, came from the Solar System. Chemical clues in Earth and Moon rocks reveal this ...

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