"You could pull up Google Earth images of places like Utah, zoom out, and you’d see the similarities to Mars." ...

An Austrian site occupied by humans from around 24,000 to 20,000 years ago documents a switch towards hunting reindeer for ...

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

The world is changing in ways that are both breathtaking and unsettling. Imagine hiking across a glacier, only to stumble ...

A hole the size of Switzerland opened in Antarctic ice over Maud Rise, driven by ocean heat, storms, and topography—raising ...