Over 50 Triassic coelacanth fossils of mawsoniid, found mislabeled in British museums, show these ancient fish thrived in ...

UChicago paleontologists use CT scanning and simulations to show how a 250-million-year-old mammal predecessor could hear ...

Changes in inner ear canal morphology over time suggest that mammalian ancestors called mammaliamorphs evolved warm-bloodedness around 233 million years ago during the late Triassic period, according ...

Everything has its pecking order, and geology is no exception. The cocks of the rocks are the big, swaggering periods of the past that fill books, television programmes and natural-history museums.

Researchers have discovered a previously unknown crocodile-like reptile species that lived around 237 million years ago during the Triassic Period. It has been described as an "extremely rare" ...

The Triassic-Jurassic Extinction Event: How Dinosaurs Took Over Roughly 201 million years ago, the Triassic-Jurassic extinction event wiped out about 76% of all marine and land species on Earth. This ...

In a review, published today in the journal Frontiers in Earth Science, scientists reveal that predators became meaner and prey animals adapted rapidly to find new ways to survive. On land, the ...

(Clockwise from top) A T. rex model, T. rex skull, and Triceratops skull on display at the Museum of Natural History in Vienna, Austria. It’s strange to talk about dinosaurs “dominating” an ocean ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. About 250 million years ago, massive volcanic eruptions triggered ...

Roughly 201 million years ago, the Triassic-Jurassic extinction event wiped out about 76% of all marine and land species on Earth. This cleared the stage for dinosaurs to take over for the next 135 ...