Skin fossils from a sauropod dinosaur examined with an electron microscope feature structures called melanosomes, which are ...

Legend once had it that the huge, three-toed footprints scattered across the central highlands of Bolivia came from ...

Paleontologists have discovered and documented 16,600 footprints left by theropods, the dinosaur group that includes the Tyrannosaurus rex.

A new dome-headed dinosaur speices found in Montana, Brontotholus harmoni, reveals unexpected clues about their evolution.

And so, the Argo float’s trip under the ice turned out to be an incredibly lucky accident. During an eight-month period, the ...

Scientists have confirmed that Nanotyrannus was a mature species, not a young T. rex. A microscopic look at its hyoid bone ...

Was Nanotyrannus a bona fide species or just a teenage Tyrannosaurus rex with a lot more growing to do? Scientists have settled that debate.

A robotic float captured the first under-ice transect in East Antarctica, revealing new risks for the Denman Glacier.