On Thursday, President Trump signed an executive order that aims to permit, for the first time, industrial mining of the ...

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

Kenneth Sims and other research scientists recently discovered that mafic volcanism of Henrys Fork Caldera -- located in ...

Rocks from Greenland found on Iceland's west coast could link the late Roman Empire's fall to a spell of sudden climate ...

Recent flybys of the fiery world refute a leading theory of its inner structure — and reveal how little is understood about ...

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.

A mysterious island once hidden beneath the ocean is now rising to the surface, revealing secrets locked away for millions of ...

Water from both volcanic rocks and deep mantle melted Earth's crust 1.6 billion years ago. This long-lasting melting formed ...

Journey through California’s national parks, from towering redwoods to rugged deserts. Discover breathtaking landscapes and ...

Two continents collided millions of years ago, forming a bridge that changed Earth's climate system and triggered one of history's greatest animal migrations.

Around 10,000 years ago, as the last Ice Age drew to a close, the drifting of the continent of North America, and spreading in the Atlantic Ocean, may have temporarily sped up—with a little help from ...

As the Earth's crust shifted and groaned over millions of years, something extraordinary happened beneath the surface. Deep ...