"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Geologists have now unearthed evidence of a 3.5 billion-year-old crater found in a layer of Australian ...
Geologists have now unearthed evidence of a 3.5 billion-year-old crater found in a layer of Australian rock. Shatter cones, which are features caused by the shockwave of a hypervelocity meteorite ...