The ribs of a 240 million-year-old fossil hold clues to how the first turtle shell evolved. And its skull shape seems closer to that of lizards and snakes than to an ancestor of dinosaurs and birds.
Gov. Terry McAuliffe promised to introduce gun-control legislation. McAuliffe spoke two days after a gunman killed two journalists during a live broadcast.
Ten years ago, 25,000 people huddled inside the Morial Convention Center in New Orleans seeking shelter from Hurricane Katrina. The fiasco there came to epitomize the chaotic, inadequate response.
The Virginia shooter who murdered two TV journalists allegedly recorded the attack himself. Experts say wearable cameras will become a regular part of the toolkit for killers who want attention.
Some candidates are more dependent on their superPACs and millionaires, while others are turning most to small donors. See where the candidates line up based on their donations.