Zircon crystals and impact-altered minerals show that a massive asteroid slammed into what is now the Pilbara region of Western Australia about 3 billion...
The fossil record of freshwater crayfish is surprisingly sparse, comprising mostly trace fossils, some body fossils and rarely gastroliths. Paleontologists...
Researchers have discovered a mechanism that controls the formation and function of plate-like nanocrystals that play a critical role in bone composition....