The CDC has reported the U.S.'s largest pneumonic plague outbreak in nearly a century, and it all started with a sick dog.
The NASA spacecraft Messenger, which gave mankind its best insight into the mysteries of Mercury, dies Thursday at age 10.
Could woolly mammoth DNA bring the species back from the dead?
It was a global disaster on par with the extinction of the dinosaurs, researchers said.
The wriggling has a purpose.
A doctor saves her from Frankenstein's monster in her own mind.
His vow: "We will not be silenced, we will not give in."
The frog lives in Costa Rica and has yet to be spotted singing, dancing or kissing Miss Piggy.
"This says the situation is almost worse," a researcher said.
Without even thinking about it, men may be signaling to potential partners that they are kindhearted.