“By about 15 million years ago, the beardog family had given rise to huge predators bigger than modern lions,” says Research Associate Jack Tseng, “But the early members reported in this study were tiny.”
A new study of yellow-bellied kingsnakes suggests that different habitats on each side of the Mississippi could be the cause of speciation.
New model explains how inspiraling dead stars can explode at a rate high enough to match the number of Type Ia supernovae seen in the universe.
“In this kind of fieldwork, you have your reasons for wanting to go to a place, but you don’t always get what you want,” says Curator Ross MacPhee. “Sometimes, though, you end up finding something even more interesting.”