Dr. Purva Merchant has been answering letters from gaptoothed children and their parents — roughly 6,000 in all. “Happy ...

For nearly a century, scientists have been puzzling over fossils from a strange and robust-looking distant relative of early ...

Researchers have sequenced proteins from an ancient rhino relative from the cold, dry Haughton crater site (shown) in the ...

Molecules from the 20-million-year-old teeth of a rhino relative are among the oldest ever sequenced, opening tantalizing ...