Scientists have long puzzled over the origins of a mysterious dinosaur excavated in the 1940s: Was it a young T. rex or another type ...

Now, a research team says new evidence resolves the case. The latest clue comes from a complete skeleton — first uncovered in ...

In mice, blood cell production occurs via strings and clusters of cells within the bone marrow that are responsible for producing specific blood cell types, according to a far-reaching study led by ...

An argument over whether fossils from several small dinosaurs represent a juvenile Tyrannosaurus rex or smaller adults of a ...

The finding may allow archaeologists to determine whether a woman was pregnant or had recently given birth at the time of her ...

In the past decade, a burst of research has debunked the unflattering reputation 19th-century scientists pinned on Neanderthals. We now know that they were creative, caring, and cognitively similar to ...

British paleontologists recently identified Xiphodragon goldencapensis, a new ichthyosaur species. The skeleton was found on ...

NEW YORK -- The 31,000-year-old skeleton of a young adult found in a cave in Indonesia that is missing its left foot and part of its left leg reveal the oldest known evidence of an amputation, ...

BEAUFORT, N.C. — Keith Rittmaster walked out of his trailer, arms filled with shovels, buckets and brushes. It was the day of the big dig, and Rittmaster led a group of 14 volunteers through a “Secret ...

Researchers have identified the biological process of mineralization that occurs in a young coral that shifts from the plankton (swimming) stage to the 'settled' stage in which it forms the skeleton ...