Scientists found 18 million-year-old teeth in Cuba, and later a 29-million-year-old tooth in Puerto Rico. The post Giant ...

WASHINGTON (Reuters) -After the demise of the dinosaurs following an asteroid strike 66 million years ago, mammals became ...

Imagine a crocodile built like a greyhound—that's a sebecid. Standing tall, with some species reaching 20 feet in length, ...

Researchers found a sebecid, a greyhound-looking crocodile in the Caribbean, and it’s changing the narrative that large, ...

A sebecid tooth and two vertebraes found in the Dominican Republic show that the crocodile species persisted in the Caribbean ...

You wouldn't have been able to predict this looking at the modern ecosystem," said paper author and vertebrate paleontologist ...

Ancient volcanic winters, not just carbon dioxide warming, likely triggered the end-Triassic extinction when dinosaurs rose ...