In 2021, scientists identified a new mosasaur species upon the discovery of a Cretaceous-period jaw with unusual teeth in a Moroccan mine. There’s only one problem—the remains may have been ...

Nick Longrich at the University of Bath, UK, and his colleagues analysed the find and classified it as a new species of mosasaur named Xenodens calminechariin 2021. Read more Largest ever animal ...

Pygmy seahorses, about the size of a fingernail, are some of the smallest vertebrates in the world. First discovered in 1969, little was known about the creatures. But in the early 2000s ...

BOISE, Idaho— The U.S. Fish and Wildlife Service today announced that the pygmy rabbit may warrant protection under the Endangered Species Act. The pygmy rabbit is the world’s smallest rabbit and is ...

Amanda Kooser covers the quirky side of science and space. The pygmy hippopotamus was born on Dec. 9 and given an official birth announcement on Dec. 24. The parents are Iris and Corwin.

Cactus ferruginous pygmy owls are named for the saguaro cactuses they live in, their rusty-colored stripes, and their small size. They’re as fierce as they are small: These 2.5-ounce raptors prey on ...

Morocco is uniquely rich in mosasaur fossils, says Henry Sharpe at the University of Alberta in Canada. “Miners working in the phosphate mines come across mosasaurs all the time.” The problem ...