Lakes in the roadless Minto Flats surround the Tanana River in this photo from July 2014.

Scientists find pre-earthquake activity in central Alaska

Lyrarapax unguispinus

Earth’s first giant predators produced killer babies

Megachirella wachtleri

World’s oldest lizard fossil discovered

An asteroid impact 66 million years ago

Life recovered rapidly at impact site of dino-killing asteroid

Spinosaurus

The smallest biggest theropod dinosaur

A 3D computer model of the asthenosphere by Rice University geophysicists finds that the convective cycling and pressure-driven flow can sometimes cause the asthenosphere to move even faster than the tectonic plates riding atop it.

Flow in the asthenosphere drags tectonic plates along

dandruff

Dino-bird dandruff research head and shoulders above rest

The asteroid impact that eliminated non-avian dinosaurs destroyed global forests.

When the dinosaurs died, so did forests — and tree-dwelling birds

Pterodactyls

Study casts doubt on traditional view of pterosaur flight

Cifelliodon wahkarmoosuch

Utah fossil reveals global exodus of mammals’ near relatives to major...

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