Lemurs sing in a rhythm previously only found in humans and birds

Fierce 'hell heron' dinosaur puts new wrinkles in Spinosaurus origin story

'Historic moment': Why the WHO endorsed the first malaria vaccine

New Orleans levees passed their first major test

Stunning footprints push back human arrival in Americas by thousands of years

Fake animal rescue videos have become a new frontier for animal abuse

U.S. generates more plastic trash than any other nation, report finds

Possible climate futures–from the optimistic to the strange

Wild U.S. deer found with coronavirus antibodies

Amazonian moths that drink the tears of sleeping birds