Remains of this key transitional species date to a mysterious "black hole" in the fossil record.

This fossil site near a surprising city gives researchers and amateurs alike a window into a prehistoric world that's 309 million years old. ... This was the Carboniferous period, ...

In 2015, two members of the Blue Beach Fossil Museum in Nova Scotia found a long, curved fossil jaw, bristling with teeth.

During the Carboniferous Period, Earth's atmospheric oxygen levels surged, helping some plants and animals grow to gigantic proportions. One notable example was Arthropleura, the biggest bug ever ...

Fossil records of crown-group amniotes -- the group that includes mammals, birds and reptiles -- begin in the Late Carboniferous period (about 318 million years old), while previously the earliest ...

65 miles southwest of Chicago, a small hill that looks like a prop from an Indiana Jones contains many of the world’s best-preserved, most diverse fossils.

The earliest amniote fossils are from the late Carboniferous, about 320 million years old. 3D animation recreation of the reptile trackways 350 million years ago, as well as the age of the rock ...

The new Australian fossils come from Gondwana, a gigantic southern continent that also contained Africa, South America, Antarctica and India. In all of this vast landmass, which stretched from the ...

Before this study, the earliest known amniote fossils had been found in Nova Scotia, Canada, and were dated to the mid-Carboniferous period, about 319 million years ago.

Fossil records of crown-group amniotes – the group that includes mammals, birds and reptiles – begin in the Late Carboniferous period (about 318 million years old), while previously the ...