Tunas did not become large, fast and warm-blooded simply because an asteroid cleared the oceans of competing predators. Their ...

Fossil evidence exists of giant prehistoric insects. Dragonfly-like creatures Meganeura monyi and Meganeuropsis permiana flew ...

A new Homo floresiensis study suggests the extinct "hobbit" scavenged Komodo dragon kills instead of hunting large prey or using fire.

"Although some additional assumptions have gone into the estimated length, the rediscovery of the vertebrae from Denmark eliminates any doubts about the maximum vertebral diameter of 23 centimeters ...

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Throughout history, some extinct animals have emerged as formidable hunters that roamed the Earth with unmatched ferocity, while others have taken their place as gentle giants, embodying grace and ...

Pterosaurs ruled the air long before birds did, and over more than 100 million years they grew into everything from small fliers to giants with wingspans above 10 meters. That range should have ...

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A Homo naledi fossil is seen in the Dinaledi Chamber of South Africa's Rising Star Cave system. A new study analyzed proteins from teeth recovered at the site and found no evidence of male markers.

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The second largest land mammal on the planet is also the largest land mammal on the Asian continent. The genus Elephas originated in Sub-Saharan Africa during the Pliocene and spread throughout Africa ...