Fossils representing two new species of saber-toothed prehistoric predators have been described by researchers 

The genetic changes behind the expansion that made us human have been elusive, until now

Steelhead trout, which live and grow in the Pacific Ocean, genetically adapted to the freshwater environment of Lake Michigan in less than 120 years

Just like human dandruff, dinosaur fossil dandruff is made of tough cells called corneocytes, which in life are dry and full of the protein keratin

The asteroid impact that eliminated non-avian dinosaurs destroyed global forests

Apes also have muscles long-believed to be only present in humans and used for walking on two legs, using complex tools, and sophisticated facial and vocal communication

Ancient footprints help researchers date the switch from a crouched to more straight-legged gait

The extraordinary behavior is seen in many species of orchid

Research to raise a few eyebrows: Why expressive brows might have mattered in human evolution

New research highlights that the evolution of these extraordinary animals and other rorquals was also anything but ordinary