"Early in Earth's history, space rocks frequently hit the young planet. It is estimated that 'giant impactors,' greater than 6.2 miles (10 kilometers) across, pummeled the planet at least every 15 ...

Iron is the most abundant element by mass in the Earth, but most of it is locked up in the Earth’s core, 1,800 miles beneath our feet, Wade said. Despite this, life forms rely on iron for survival.

Uncovering ancient impacts Early in Earth’s history, space rocks frequently hit the young planet. It is estimated that “giant impactors,” greater than 6.2 miles (10 kilometers) across ...

A giant meteorite first discovered in 2014 caused a tsunami bigger than any in known human history and may have sparked life, scientists reveal. A giant, ancient meteor four times the size of ...

Science | December 11, 2024. From Giant Tortoises to Immortal Jellyfish, These Impressive Animals Are Eight of the Longest-Living Species on Earth. Aging gracefully comes naturally to these ...

A meteorite that may have been up to 200 times bigger than the one that killed the dinosaurs might have triggered the formation of complex life on Earth. The S2 meteorite hit Earth approximately 3 ...