Bumblebees naturally have short lives, but extreme heat and human activity are making survival harder. Pesticides can poison bees or…

A notorious snake invasion that devastated Guam’s native birds may have succeeded because the reptiles carried hidden genetic advantages. Using…

Researchers say a tiny one-eyed ancestor that lived nearly 600 million years ago may have shaped the evolution of every…

A newly identified fossil ape from northern Egypt is reshaping ideas about where the ancestors of modern apes first emerged.…

Fossils discovered in Japan more than two decades ago have finally been identified as a new genus and species of…

Researchers in the Gulf of California have documented a dramatic orca behavior never described before. In two separate encounters, one…

Scientists studying decades of pygmy sperm whale strandings have uncovered three previously unknown types of Helicobacter bacteria hiding in the…

Two elephant-sized South American sauropods were unusually well built for standing on their hind legs. Digital tests showed that their…

A major DNA study has rewritten the koala's evolutionary story, revealing that the species suffered a dramatic population collapse about…

Scientists discovered ancient wolves on a tiny Baltic island where they could only have been brought by humans, suggesting an…

Bumble bees astonished researchers by inventing a new way to reach a hidden reward, despite never being taught the trick.…

The rhythm of human laughter appears to have deep evolutionary roots shared with chimpanzees, bonobos, gorillas, and orangutans. That ancient…

Tiny, tooth-sized fossils have just reshaped the story of our deepest ancestry. Paleontologists have discovered the southernmost remains ever found…

A surprising new study suggests the earliest primates didn't originate in tropical forests but in cold, dry parts of North…

A potentially dangerous tapeworm linked to severe, cancer-like disease has now been found in the Pacific Northwest, marking its first…

A potentially dangerous tapeworm linked to severe, cancer-like disease has now been found in the Pacific Northwest, marking its first…