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, ...

The seaside cypress believed to have inspired the fanciful Truffula trees of Dr. Seuss’ classic 1971 children’s tale “The Lorax” has toppled in Southern California. The Monterey cypress stood 80 to ...

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 ...

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.

"Plant a new Truffula. Treat it with care. Give it clean water. And feed it fresh air." San Diego city leaders may soon be following advice from "The Lorax" to replace a recently toppled tree that ...