Some of the unusual rocks carry stories about water on Mars. One has hints of long-gone microbes. All tell of a dynamic, complex planet.

After two planes collided, three hydrogen bombs hit a Spanish village, and one fell into the sea nearby. Two years later, villagers talked to the BBC about the terrifying accident.

Every year on April 23rd, we pull out our favorite book-themed games, and this World Book Day word search always makes the cut. It’s quick to set up, easy for kids to jump into, and ties in perfectly ...

Researchers have discovered cratonic thinning occurring beneath North America, driven by the remnants of the Farallon Plate.