During the Triassic period (252-201 million years ago) mammal-like reptiles called therapsids co-existed with ancestors to dinosaurs, crocodiles, mammals, pterosaurs, turtles, frogs, and lizards.

Gigantic mammal ‘cousin’ discovered

Field photograph of massive flowstone layers from one of the South African hominin caves, with red cave sediments underneath.

Evolution: South Africa’s hominin record is a fair-weather friend

A fossil tooth of a hippo (Hippopotamus amphibius) (left) and a fossil tooth of a white rhinoceros (Ceratotherium simum) (right) , two of the few surviving megaherbivores, from the Late Pleistocene of western Kenya (left).

Human ancestors not to blame for ancient mammal extinctions in Africa

cobalt-copper ore

Earth’s cobalt deposits formed much later than previously believed

Angelenos play below derricks at Huntington Beach pier, c. 1930-40. In the early decades of the twentieth century, LA residents accepted ground subsidence and small earthquakes as the cost of producing oil. But discontent began to rumble in the late 1930s. Rapid exploitation of Wilmington, one of the largest oil fields in California, and the Huntington Beach field caused Long Beach harbor to sink, buckling railway lines and forcing the city to build higher piers. Credit: Orange County Archives

Oil extraction likely triggered mid-century earthquakes in L.A.

two fossilized dinosaur skeletons found on a Montana

Fight over dinosaur fossils comes down to what’s a mineral

Dinosaur reconstructions by Dr Anthony Romilio

Tiny raptor tracks lead to big discovery

Dr Peter Wynn, Lancaster University, taking a sample in Iceland. Credit: Dr Hugh Tuffen

Volcanoes and glaciers combine as powerful methane producers

Planktonic foraminifera, such as these collected in the Gulf of Mexico, form the base of many marine and aquatic food chains.

Climate, life and the movement of continents: New connections

Map of the bedrock topography beneath the ice sheet and the ice-free land surrounding the Hiawatha impact crater.

Huge Crater Discovered in Greenland

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