The North American craton actually dips near the Rockies rather than forming a sharp vertical step as previously believed.

Researchers have uncovered surprising evidence that the deep ocean’s carbon-fixing engine works very differently than long assumed. While ammonia-oxidizing archaea were thought to dominate carbon ...

No one ever thought the birth of the Rocky Mountains was a simple process, but we now know it was far more complex than even ...

That makes Liang Metanduno the home of the oldest known artwork in the world, beating the previous contender (a Neanderthal ...

The James Webb Space Telescope has delivered its clearest view yet of a supermassive black hole's immediate surroundings, ...

A 2020 astronaut photo shows the oasis town of Jubbah lurking within a paleolake in the wind shadow of Saudi Arabia's "two ...

A huge bar of iron has been discovered lurking inside the iconic Ring Nebula. The structure is enormous, spanning hundreds of ...

A spectacular new image from the James Webb Space Telescope reveals intricate structures inside the Helix Nebula, where a ...

A fatty particle can clog arteries just as surely as cholesterol but often goes undetected, striking seemingly healthy people unaware of the danger. Though tests are widely available, they aren’t ...

During World War II, the governments of the United States and the United Kingdom approached the largest U.S. chemical and pharmaceutical companies to enlist them in the race to mass produce penicillin ...