Alternatives to animal testing for drug development have been in the works for decades. Now, policies are finally following the technology.

Today we highlight a discovery with potentially important implications for future Alzheimer's research and treatments. We also report on an experimental Gilead therapy showing great promise ​against a...

After 30 years of work, the Yellowstone to Yukon Conservation Initiative has helped protect roughly 25 million hectares and built more than 200 wildlife crossings, cutting wildlife vehicle collisions by 96% on parts of Banff’s Highway 1. It is now an Earthshot Prize finalist.

YouTube video by Hyjules

The scimitar-horned oryx was declared Extinct in the Wild after disappearing from its native range in North Africa. In 2016, conservationists began returning captive-bred oryx to Chad’s Ouadi Rimé-Ouadi Achim Faunal Reserve, starting with 23 animals. The population has since grown to more than 600…