Groundhogs aren't looking for their shadow—they're looking for a mate.
Can astronauts hibernate during space travel to cut down on needed supplies and lighten their cargo?
The mystery began in a cave near Albany, New York in 2006...
Adult painted turtles head underwater, where they'll spend the winter on the bottom of a lake, pond, or river but they use some tricks to survive the cold...
Many insects hibernate or migrate during the winter, but honeybees are more like us, they bundle up and wait for spring. How do they survive?
Ever wonder what penguins do all day? Learn more on this Moment of Science.
Did you know that many small animals that stay in cold environments during the winter go into a brief daily hibernation-like state? Scientists call it torpor. Torpor allows the animals to lower their body temperatures greatly, and their breathing and heart rate are so slow you can barely tell they’re alive. Learn more on this Moment of Science.