A sediment-washing “bubbler” helped researchers recover 65.5-million-year-old teeth that illuminate how early primate ...

Sixty-six million years ago, a massive asteroid smashed into Earth. Life has undergone at least five mass extinctions in the last 500 million years, but this one particularly stands out. It wiped out ...

Tiny fossil teeth from Colorado are revealing new clues about the very first relatives of primates, including humans.

New minuscule fossils of Purgatorius, the earliest-known relative of all primates—including humans—have been unearthed in a ...

A fossil that would fit on a baby’s fingertip has revealed fresh clues about the evolution of the earliest-known relative of ...

The tiny remnant belongs to Purgatorius, one of the earliest known relatives of all primates, including humans, which first ...

New, miniscule fossils of the earliest-known relative of all primates, including humans, Purgatorius, have been unearthed in a more southern region of North America than ever before – and the ...

Tiny, tooth-sized fossils have just reshaped the story of our deepest ancestry. Paleontologists have discovered the southernmost remains ever found of Purgatorius—the earliest-known relative of all ...

The evolutionary journey from primitive plesiadapiforms to early primates during the Paleocene and Eocene epochs represents a critical chapter in mammalian history. Fossil records from these periods ...

An illustration of Carpolestes simpsoni, a stem primate species that lived in Wyoming at the endof the Paleocene epoch. Credit: Doug M. Boyer/Duke University Departmentof Evolutionary Anthropology ...