A strange tulip-shaped creature discovered in half-a-billion-year-old rocks had a feeding system unlike any other animal, researchers reported this week.

Newly launched bilingual exhibition is the world’s leading online Burgess Shale resource Toronto, Ontario (PRWEB) December 01, 2011 Today the Royal

Extinction of fishes 360 million years ago created natural ecology experiment.

Researchers use a ground-breaking technique that reveals a relationship between cooler temperatures and Earth's second largest mass extinction, which occurred about 450 million years ago.

Surprising new research shows that, contrary to conventional belief, remains of chitin-protein complex—structural materials containing protein and polysaccharide—are present in abundance in fossils of arthropods from the Paleozoic era.