Brazil Emerald

Emerald weighing more than 600 pounds found in Brazil

Intact Mammoth Rib

Researchers recover more mammoth bones from Chelsea-area farm

New early gravity signals to quantify the magnitude of strong earthquakes

A fossilised pterosaur mandible

Pterosaur hatchlings needed their parents, trove of eggs reveals

The Toba caldera was the site of a massive super-eruption 75,000 years ago.

Time between world-changing volcanic super-eruptions less than previously thought

Parkfield Segment, San Andreas fault

Parkfield segment of San Andreas fault may host occasional large earthquakes

Mount Etna in Italy

Eruption clues: Researchers create snapshot of volcano plumbing

The post-2008 seismicity has occurred both in areas that were seismically active before 2008 (for example, the Mississippi embayment) and in regions with no pre-2008 historical or instrumental seismicity (for example, FWB).

Research shows North Texas earthquakes occurring on ‘dead’ faults

Depiction of Anchiornis and its contour feather.

Feathered dinosaurs were even fluffier than we thought

Following a large caldera-forming eruption some magma remains in the magma reservoir.

When magma prevents volcanic eruptions

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