The Curiosity Mars rover covers a lot of ground for a robot that only moves at a max speed of .1 mph. A photo snapped ...

The land bridge created by mantle-driven uplift gave early primates and other animals opportunities to branch out.

A rock containing many smaller round stones could indicate that there was once a large amount of liquid water on the Red ...

A weathered sign in the Minnesota River Valley proudly proclaims: “World’s Oldest Rock.” Erected in 1975, it marks a 3.8-billion-year-old gneiss — or so scientists thought.

For the first time, geoscientists detected the top of Yellowstone’s magma reservoir. It is active and dynamic, but not in danger of erupting, they found.

"They want diplomacy to work," Ms Bruce said of Mr Trump and Mr Rubio.Mr Trump said last week that negotiations were "coming ...

Although Nasa has dubbed it ‘Skull Hill’, you can breathe easy that it is not literally a skull of an alien rolling around ...

A NASA rover taking rock samples on Mars has uncovered a plentiful mineral that was invisible to orbiters studying the Red ...