Thundereggs look like regular rocks from the outside, but contain intricate and colorful mineral patterns inside — often made ...

Is Greenland a land of rare earth riches? The Indicator tells the story of an Australian geologist who learned the great cost of extracting Greenland's minerals.

In a new study in Geology, researchers calculated how long it took for novel single-celled marine species to appear after the asteroid impact, and it’s surprisingly fast.