Here's when Antarctica broke free of an ancient supercontinent.
Damage from the tornadoes that ripped through the Midwest overnight Friday (Dec. 10) is still being assessed, but the violent storms will go down in history as some of the deadliest and longest-lasting.
The Cold War was a decades-long diplomatic and military standoff between the Soviet Union and the United States
We’ve asked two dentists to identify the causes of bad breath and the steps you can take to prevent it