A new explanation for the solar system's radioactive elements suggests Earth-like planets might be found orbiting up to 50 ...

Our solar system didn't form by accident. This video explains the blueprint that created rocky worlds like Earth and Mars ...

When a meteor streaks across the sky, it's not just beautiful. It's nature's way of delivering a time capsule to Earth. Contained within are hints about the very beginning of the solar system and how ...

New measurements of radio galaxies reveal that the solar system is racing through the universe at over three times the speed predicted by standard cosmology. Using highly sensitive data from multiple ...

The asteroid Bennu continues to provide new clues to scientists' biggest questions about the formation of the early solar ...

Scientists have long believed that the Moon was formed by a massive object crashing into the Earth. But what was that thing ...

New high-contrast images from SPHERE show a stunning variety of debris disks shaped by collisions of tiny planet-building ...

Bennu samples reveal biological sugars, a strange, gum-like material, and ancient stardust that shed light on the early solar ...

For every rule in the cosmos, there is a spectacular exception. While most planets orbit in a neat plane, Pluto tumbles at a ...

Mercury is the innermost and smallest of the eight major planets in our Solar System, orbiting closest to the Sun. Though ...

Apollo samples provide evidence: Researchers analyzed Moon rocks brought back by the Apollo missions and, for the first time, ...

Normally," rings around a planet are created from the remnants of meteors, moons or left over planet pieces. But this is not ...