On a clear night, it dominates the sky, bright enough to cast shadows and large enough for dark patches and surface features ...

(Ianm35/iStock/Getty Images Plus) The Solar System is one of the comforting constants of human existence. No matter what else ...

A meteorite found in the Sahara is forcing scientists to rethink what kinds of worlds once circled the young sun. The rock, ...

Unlike rocky planets such as Mars and Earth, angrites do not have a lot of silicon dioxide. Because of this, astronomers have ...

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The ingredients that help make a planet livable did not necessarily come from where many scientists once thought. A new ...

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This small, unassuming mineral may be older than Earth itself. Krotite reminds us of the vast timescales and surprising ...

Estimating ages of specific events is one of the most difficult problems in astrophysics. While we have a precise (and probably accurate) age for the solar system, we do not have precise ages for each ...

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 ...

Alien probes could already be hiding somewhere in our Solar System – and our current surveys are nowhere near good enough to ...