Baby dinosaur's tail — with feathers — found in 99 million-year-old amber
December 9, 2016, 2:15 p.m. by Russell McLendon
The discovery offers new insights about dinosaur plumage, hinting at a 'chestnut brown' creature that couldn't fly.
Ancient sea cow fossil found in decades-old street slab in Spain
October 29, 2016, 2:32 a.m. by Bryan Nelson
Thousands of people have been walking over the fossil for decades without knowing it.
6 things to know about Earth's 6th mass extinction
September 15, 2016, 1:11 p.m. by Russell McLendon
At least five similar die-offs have happened before, but this is the first in human history — and the first with human help.