The toilet brushlike specimen from a Canadian quarry hints at the evolutionary experiments that occurred during a 15-million-year gap in the fossil record. A 352-million-year-old fossilized tree, ...

(CNN) — Trees are believed to have originated hundreds of millions of years ago. Ever since, evidence of these ancient plant sentinels has been in short supply. Now, a new discovery of uniquely 3D ...

A fossil of a 350-million-year-old tree was discovered with an unusually bulging top, created by hundreds of near-perfectly preserved leaves surrounding its trunk, that appears straight out of a Dr.

In the ancient prehistory of Earth, there is a chapter that waits to be told known as Romer’s gap. Researchers have identified a hiatus in the tetrapod fossil record between 360 million and 345 ...