Gene variants inherited from Neanderthals can impact pain tolerance and nose shape in modern humans. What else could they influence?
Scientists are working to understand the new tree disease, which is caused by a microscopic worm.
Paleontologists pieced together a food chain from Paja Formation fossils, showing an additional level of apex predators with no modern equivalent.
Poet Jane Hirshfield takes on crises both biological and human in her book “Ledger.”
With water temperatures higher than 100 degrees Fahrenheit, coral bleaching is worse than ever.