Cretaceous

Reconstructing the environment of northern Alaska in the Late Cretaceous: The Arctic was forested and inhabited by dinosaurs and small mammals, but the animals had to cope with months of winter darkness. Credit: James Havens.

Mammal fossils from Alaska reveal: The Arctic was an evolutionary crossroads during the age of dinosaurs

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Tiny fossilized teeth, some 73 million years old, have led to the identification of three previously unknown mammal species. The findings point to a diverse Arctic ecosystem and an ancient migratory route that connected Asia
“Imagination of the giant octopus Nanaimoteuthis haggarti, which lived in the oceans of the Late Cretaceous.” Credit: Yohei Utsuki, Department of Earth and Planetary Sciences, Hokkaido University.

Were giant octopuses super predators in the oceans of the age of dinosaurs?

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Jaw fossils from Japan and Canada suggest that ancient giant octopuses of the genus Nanaimoteuthis may have reached lengths of 7–19 meters and hunted hard-shelled prey, and their diet also included marine reptiles.
Artistic illustration of Nagatitan. Credit: Patchanop Boonsai

The largest dinosaur in Southeast Asia was discovered in Thailand: a 27-meter-long titan

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Nagatitan chaiyaphumensis was a giant herbivorous sauropod that lived 100 to 120 million years ago. The discovery reinforces Thailand's position as one of the most important centers for dinosaur research in Asia.
Tyrannosaurus Rex in the deserts of the southern United States. Illustration: depositphotos.com

Giant foot bone from New Mexico may hint at Tyrannosaurus Rex's origins

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A new study describes a giant tyrannosaur from about 74 million years ago from southern Remidia (North America before it connected with South America), cautiously strengthening the hypothesis that T. rex evolved in northern South America before spreading
A herd of Triceratops horridus walks in a swamp during the Cretaceous period. Credit Bart Boss

Spielberg was right: triceratops lived together (video)

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A decade-long study shows that five three-horned dinosaurs lived - and died - together, similar to their depiction in Steven Spielberg's Jurassic World
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