We know Mars once had an active geological past, filled with water, volcanic activity, and dynamic geological changes. Now, ...

The asteroid was discovered in August and is set to become a mini-moon, spinning around Earth in a horseshoe shape for about ...

Researchers show the average surface temperature on our planet has shifted between 51.8 to 96.8 degrees Fahrenheit ...

Evidence suggests Earth had a ring system 466 million years ago, causing a surge in meteorite impacts and possibly ...

A newly discovered doughnut shape in Earth's outer core may reveal elements that help drive the formation of the planet's ...

Some of the most dramatic climatic events in our planet's history are 'Snowball Earth' events that happened hundreds of millions of years ago, when almost the entire planet was encased in ice up to 0.

This new floating rock is only expected to orbit the Earth once, beginning its trip Sept. 29 before breaking off from its gravitational pull on Nov. 25.

A giant moon with a chunk taken out of it was visible in the skies on Tuesday night. Here are some of the best shots in case ...

The ring might have acted like a giant sunshade, causing a cooling effect that might have unleashed an ice age.

A landslide in a remote part of Greenland caused a mega-tsunami that sloshed back and forth across a fjord for nine days, generating vibrations throughout Earth.

A landslide in a remote part of Greenland caused a mega-tsunami that sloshed back and forth across a fjord for nine days, ...

Scientists have solved the mystery of a puzzling seismic disturbance. First, there was an avalanche. Then, there was a ...