A new atlas charts the global distribution of unusual, critical-metal-bearing igneous rocks, finding that they often form ...

NASA says of Apophis passing by that it is likely "an event like this has not happened at any time in recorded human history.

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Rare rocks buried deep in central Australia have revealed how a valuable niobium deposit formed during the breakup of an ancient supercontinent. More than 800 million years ago, tectonic rifting ...