Study sheds new light on the body form of the Megalodon, and its role in shaping ancient marine life. (DePaul University/Kenshu Shimada)

The megalodon was less mega than previously believed

Woolly mammoth illustration Mauricio Antón © 2008 Public Library of Science

Woolly mammoth movements tied to earliest Alaska hunting camps

Earth

Key moment in the evolution of life on Earth captured in...

For decades, paleontologists have debated whether Nanotyrannus is a separate species or simply a juvenile T. rex. (Credit Raul Martin)

‘Juvenile T. rex’ fossils are a distinct species of small tyrannosaur

A mosasaur discovered in Japan was the most complete skeleton ever found in Japan or the northwestern Pacific. Graphic/Takuya Konishi

This Japanese ‘dragon’ terrorized ancient seas

Meteorites

More than a meteorite: New clues about the demise of dinosaurs

Fossilized Trisauropodiscus tracks and modern bird tracks. Credit: Abrahams et al., CC-BY 4.0 (creativecommons.org/licenses/by/4.0/)

Exploring bird-like footprints left by unknown animals in Late Triassic Southern...

Ancient plate tectonics in the Archean period differs from modern plate tectonics in the Phanerozoic period because of the higher mantle temperatures inside the early Earth, the thicker basaltic crust, and the non-depletion of melt-mobile incompatible trace elements in the mantle. Credit: Science China Press

Plate tectonics in the Archean: Observation versus interpretation

Fossil of Timorebestia koprii—the largest known specimen, almost 30 cm or 12 inches long. Image Credit: Dr Jakob Vinther

‘Giant’ predator worms more than half a billion years old discovered...

Limbunyasphaera operculata is a new species that shows a small door opening into the cell. Photo Credit: Riedman et al.

Even the oldest eukaryote fossils show dazzling diversity and complexity

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