A sleepy sloth couldn't stay awake long enough to finish its snack in a video that's melting hearts online. The adorable clip ...

Newly dated fossils from New Mexico challenge the idea that dinosaurs were in decline—and suggest instead they had formed flourishing communities. Alamosaurus was one of the last dinosaurs from ...

A new study sheds light on how these reptiles become “mummies” and paints a picture of what these ancient animals looked like. Paul Sereno and his colleagues spent years painstakingly preparing this ...

For example, the hemoglobin denaturation (HD) test and the Ocular Irritection test are in chemico alternatives to the Draize rabbit test. The Draize rabbit test was developed in 1944 to test cosmetic ...