There’s a SMILE beaming down from high above Earth. On May 19, the European Space Agency (ESA) and the Chinese Academy of ...

The largest moon in the solar system — Jupiter’s Ganymede — has a unique and inexplicable magnetic field. New research could finally explain it: the moon is heating up.

Scientists have discovered a bizarre planetary system where a rocky world orbits farther out than giant gas planets, defying ...

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Measurements of this interstellar comet’s molecular makeup show an excess of heavy water molecules that is dramatically different from anything known to have ever formed around our sun Astronomers ...

On ‘Star Wars day’, researchers more than double the number of potential known ‘circumbinary’ planets like the fictional Tatooine, home to Luke Skywalker ...

"This dust can penetrate the shielding of the solar system and end up on Earth." When you purchase through links on our site, ...

NASA scientists were stunned when a strange radio signal from the Sun refused to fade away. Instead of lasting a few hours or ...

Research in Solar System planetary science spans the origin, evolution and present‐day processes affecting planets, moons, minor bodies and their interactions. The field addresses how protoplanetary ...

A provocative latest essay by Harvard astrophysicist Avi Loeb has reignited debate over whether interstellar objects passing ...

What was life really like in Pompeii? This week's science news has revealed some weird details of the lives of the illfated city's inhabitants. First, archaeologists uncovered an extremely rare wall ...

Roughly four and a half billion years ago the planet Theia slammed into Earth, destroying itself, melting large portions of our planet’s mantle and ejecting a huge debris disk that later pulled ...