Great bustards eat poisonous beetles to combat intestinal parasites—and possibly appear healthier to females, a new study suggests.
Countries around the world—including the United States—are learning a lot from the way these two West African nations have contained their Ebola cases.
The marine biologist discovered a world of glowing ocean creatures, never before seen by the human eye.
From mountain lions to wolves to snakes, see how scientists capture and tag wildlife to find out more about their secret lives.
Purple robes swath a galaxy, shepherds dance above Saturn's rings, and fishing fleets outshine cities in this week's best space pictures.
An unprecedented drought is threatening São Paulo's water supply.
With the Keystone XL in limbo, a fight is brewing over another proposed pipeline that would carry oil-sands crude across Canada to the Atlantic coast.
The moon took a bite out of the sun on Thursday for an exciting few hours. See the results.