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2023-07 - Gigantic extinct reptile weighed as much as a black rhino

Meet the gigantic extinct reptile that weighed as much as an adult black rhino

Three 3D views of Bradysaurus baini specimen (FMNH UC 1533). Scale bar equals 50 cm. [Published in Van den Brandt et al. 2023](https://www.tandfonline.com/doi/full/10.1080/08912963.2023.2175211?journalCode=ghbi20) Credit: Fabio Manucci and Marco RomanoAround 262 million years ago, during the middle Permian Period, a new family of reptiles emerged. Pareiasaurs – meaning “cheek lizards”, a reference to the flat flanges of bone that make up their cheeks – had skulls covered in bony growths and bu

Huge Crocodile-Salamander From 100 Million Years Before Dinosaurs Unearthed

The six-foot-long Whatcheeria was discovered in a limestone quarry near the town of What Cheer, Iowa.

Mystery solved: Why mammals tend to dominate almost every global ecosystem

Mammals and birds produce their own body heat and control their body temperatures.

Mystery solved: When mammals' ancestors became warm-blooded

Endothermy developed in mammalian ancestors about 233 million years ago during the Late Triassic period