Risk of earthquake increased for about half of US

A global view of oceanic phytoplankton

66-yard crater appears in far northern Siberia

The bend in the Appalachian mountain chain is finally explained

Geophysicists prep for massive ‘ultrasound’ of Mount St. Helens

New view of Mount Rainier’s volcanic plumbing

Earth-like soils on Mars?

Brain of world’s first known predators discovered

Animal foraging tactics unchanged for 50 million years

Rainwater discovered at new depths, with high pressure and temperatures over...

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