The 'crazy beast' that lived among the dinosaurs

New research published today in the Journal of Vertebrate Paleontology describes a bizarre 66 million-year-old mammal that provides profound new insights into the evolutionary history of mammals from the southern supercontinent ...

Toad disguises itself as deadly viper to avoid attack

The first study of a toad mimicking a venomous snake reveals that it likely imitates one of Africa's largest vipers in both appearance and behavior, according to results published in the Journal of Natural History.

Ancient marine predator had a built-in float

About 240 million years ago, when reptiles ruled the ocean, a small lizard-like predator floated near the bottom of the edges in shallow water, picking off prey with fang-like teeth. A short and flat tail, used for balance, ...

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