"This has been a decade-long detective story, with each recorded meteorite fall providing a new clue," said one astronomer.

Could a giant planet between Mars and Jupiter have doomed Earth? A new study suggests that small changes would have been ...

"Scientifically there's a huge amount we can learn from asteroids," says Alan Fitzsimmons, an astronomer at Queens University ...

The relative quantities of volatile gases like methane and ethane can reveal key details about distant Kuiper Belt objects.

NASA is monitoring a bus-sized asteroid as it makes its closest approach to Earth today, among a group of five space rocks ...

Floating around at the edge of the Solar System are leftovers from its formation. This is the Kuiper Belt, which is composed ...

A weak magnetic field likely attracted matter inward, contributing to the formation of the outer planetary bodies, from ...

"These relics are effectively fossils of the planet formation process, holding vital clues to deciphering the history of our solar system." ...

Now every other world in our solar system will be ... an alignment of seven planets is neither mystical nor particularly rare. “On the scale of supermoon to death asteroid, this is more a ...

The Solar System's first-of-its-kind finding may be a 90% water planet. Is the dwarf planet, Ceres, holding the possibility ...

Donaldjohanson formed about 150 million years ago when a much larger asteroid broke apart. Since then, its orbit and spin ...