New burial dating techniques applied to South African cave sediments reveal that Australopithecus fossils are far older than ...

New method reveals chemical signs of early microbial life in ancient Earth rocks, showing photosynthesis evolved much earlier ...

The legendary “Little Foot” fossil may be an entirely new human ancestor. An international team of scientists led by ...

New research suggests that amino acids, the fundamental components of life, may have arrived on Earth carried by interstellar ...

Tyrannosaurus rex lived longer and took more time to reach its maximum size than previously thought, according to a new study.

Dr. Rowan Martindale, a paleoecologist and geobiologist at the University of Texas at Austin, was walking through the Dadès Valley in the Central High Atlas Mountains of Morocco when she saw something ...

The ability of the early toolmakers to select high-quality stone, produce sharp flakes, and return to familiar raw-material ...

For decades, scientists have been counting annual growth rings—similar to tree rings—inside fossilized leg bones of ...

The origin of life is surely one of the most important questions in biology. How did inanimate molecules give rise to the ...

Learn about the most complete Homo habilis fossil ever found, and how this fossil is changing what we know about human ...

As scientists question the rise in early colon cancer cases, a new study is offering some potential answers. Colored scanning electron micrograph (SEM) of a macrophage white blood cell (center) that ...