New study, led by scientists at the American Museum of Natural History, shows that living sharks are actually quite advanced in evolutionary terms, despite having retained their basic “sharkiness” over millions of years.
Living harvestmen—a group of arachnids commonly known as daddy longlegs—have a single pair of eyes. But a newly described 305-million-year-old fossil found in eastern France shows that wasn’t always the case.
New research on the skulls of red pandas and giant pandas provides further explanation as to why the two species—which are not closely related but dine on the same food, bamboo, in the same geographic area—are able to coexist.
There are more than 5,400 mammal species—and more than one-fifth of them are bats. In early 2012, Museum Curator Robert S. Voss discovered a new bat species in Peru.