An analysis of 75 meteorite falls identified seven distinct processes that occur as space rocks melt, break apart, and slow down before reaching the ground. A space rock entering Earth’s atmosphere does far more than simply “burn up.” By examining 75 meteorite falls recorded in videos and photographs, researchers identified seven distinct stages that shape [...]

Researchers want to explore the idea that microscopic particles shed by alien civilizations have accumulated on the lunar surface, making it an archive of extraterrestrial technology.