New dinosaur fossil tracks on the Isle of Skye reveal that the once-balmy environment was home to both fierce theropods and massive sauropods.

From demon to danger noodle, human ideas about snakes can be as contradictory as the creatures themselves. In Slither, Stephen S. Hall challenges our serpent stereotypes.

As thousands of bats launch nightly hunting, the cacophony of a dense crowd should stymie echolocation, a so-called “cocktail party nightmare.” ...

An expanding geographic range for these close Neandertal relatives leaves Denisovans' evolutionary status uncertain.

Some question whether the pups are really dire wolves, or just genetically tweaked gray wolves. But the technology could be used to help at-risk animals.

Experiments point to how scientists can strengthen or weaken memories, which may eventually lead to treatments for Alzheimer’s disease or PTSD.

As global temperatures rise, scientists debate the pros and cons of solar geoengineering, a strategy to cool Earth by reflecting sunlight into space.

No longer considered functionless, the “rediscovered” rete ovarii may be crucial for understanding “unexplainable” infertility and ovarian disorders.

Texas child dies from the preventable disease, HHS Secretary Kennedy is now urging measles vaccination yet still touting unproven treatments.

The KATRIN experiment in Germany nearly halved the maximum possible mass for neutrinos, setting it at 0.45 electron volts.

Deep funding cuts and widespread layoffs impact everything from local public health outreach to global disease surveillance, making us more vulnerable, experts warn.