Grown-up giraffes just aren’t huggy, cuddling, demonstrative animals. So it took identity-recognition software grinding through five years of data to reveal that female social life matters ...

When Linda Oyesiku was a child, she skinned her knee on her school’s playground. The school nurse cleaned her up and covered the wound with a peach-tinted bandage. On Oyesiku’s dark skin, t...

The proton’s antimatter is out of whack. An imbalance between two types of antiparticles that seethe within the proton is even wonkier than previously thought, a new measurement indicates. ...

One of the earliest known hominids, a 4.4-million-year-old partial skeleton of a female dubbed Ardi, had hands suited for climbing trees and swinging from branches, a new investigation sugg...

High in the Peruvian Andes, a lizard has claimed the title of world’s highest altitude reptile. The lizard was spotted as high as 5,400 meters in elevation, exposed to frigid temperatures, ...

A drop in carbon dioxide levels may have helped sauropodomorphs, early relatives of the largest animal to ever walk the earth, migrate thousands of kilometers north past once-forbidding des...