Although the full moon on July 31, 2015, will look like an ordinary full moon, it's actually a bit extraordinary—a blue moon. Read about this rare phenomenon.
Endangered and Threatened Species
A dentist from Minnesota created an international uproar after killing a prized African lion. Find a list of plants and animals that are in danger of being lost.
Highest-Grossing Concert Tours
Bands that debuted decades ago dominate the list, with U2's 360° Tour in the No. 1 spot. See which other classic rockers round out the top ten.
Afghanistan's intelligence agency announced that the founder and leader of the Taliban died in 2013 in Pakistan. Take a look at other key events in the history of this insurgent group.
Have Your Say
When I go to the beach I am most afraid of...
This Day in History
What Does It Mean?
Biography of the day