A hidden crater in South Korea may hold clues to one of the biggest turning points in Earth’s history: the rise of oxygen. Scientists discovered fossil-like stromatolites — layered structures built by ...

Wikimedia This mountain town occupies the Middlesboro Basin, which sounds like a boring geography term until you learn that ...

Hanauma Bay in Oahu is one of Hawaii’s most iconic natural wonders, formed within a volcanic crater and filled with ...

Dante’s vision of Hell may echo the physics of a massive asteroid strike, offering a new way to read the Inferno.

Ancient floods once ripped across Mars, carving the massive Shalbatana Vallis channel and reshaping the planet’s surface. New Mars Express images reveal a chaotic landscape of craters, lava, and ...

NASA’s Perseverance rover may have found some of the oldest rocks ever studied on Mars at an outcrop named "Arethusa." ...

The popular mental image of an enormous impact crater is an obvious circular depression seen from space. However, the ...

Ancient desert structures spotted from space are now at the center of a tense race between archaeology and modern gold mining ...