All planets are made of gas, ice, rock and metal, and models of how planets form usually assume that these materials don't ...

Astronomers have captured direct images of exoplanets in a star system 130 light years away, providing clues on gas giant ...

The most elusive planetary aurora in the Solar System has finally been revealed in all its gently glowing glory.

The solar system was packed with 50 to 100 protoplanets billions of years ago. Not all of them lived to tell the tale of the ...

Planets don't get much more iconic than Saturn. But if you managed to see it through a backyard telescope right now, you wouldn't see its rings.

Outlining plans for living and working on Mars, the space agency is focusing on oxygen, food, water, power, spacesuits, ...

There's nothing else quite like it in the Solar System. Right now ... Saturn's rings during a ring plane crossing — but only as a thin line across the planet. For backyard stargazers, the ...

THE explosion of a distant star light years away could be visible to Earthbound stargazers this week. The star system, tucked ...

It is clear, however, that the planets cannot have entered the system from outer space ... of the rotation of Saturn due to solar tides is only about tsooo of that of the earth, so that there ...

It is one of the most explored planets in the solar system and the only planet humans have sent rovers to explore. One day on Mars takes a little over 24 hours and a year is 687 Earth days.

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