Until recently, Noeggerathiales were considered a group of plants with uncertain taxonomic classification that existed during the Carboniferous and Permian Periods, about 359 to 252 million years ago.

Clubmosses, as the earliest vascular plant group, have leaves with only a single vein of xylem down the middle, in contrast to the more complexly veined leaves of trees and even ferns. Nevertheless, ...

Scientists reconstructed 500 million years of evolutionary history to reveal which came first: colorful signals or the color ...

A ‘striking’ creature with large spiky legs roamed what’s now Illinois 300 million years ago. Issy ... Paleontologists have only found this particular species in North ... plants and insects ...

Around 56 million years ago, at the beginning of the Eocene, temperatures also rose between 5 and 8 degrees Celsius in under 10,000 years, making it a useful comparison to our modern warming.

A time for giants. From the fossils and treadlike tracks Arthropleura left behind, scientists determined that the massive creature lived between 290 million and 346 million years ago in what’s ...

The evolutionary origins of this light production remain a mystery, but an international team of scientists have found that bioluminescence may have first evolved in a group of marine ...

A ‘striking’ creature with large spiky legs roamed what’s now Illinois 300 million years ago. Issy ... Paleontologists have only found this particular species in North ... plants and insects ...