Groundhogs aren't looking for their shadow—they're looking for a mate.
When losing is winning in the complicated social world of baboons.
So you want to impress a potential mate? According to the grey tree frog, multitasking is the key to sexual attraction.
When it comes to "make it or break it" moments, the male sandpiper is a whiz at wakefulness.
Have you ever heard predictions that one day women will be able to have babies without men?
Have you ever stopped to wonder why sex and violence so often go hand in hand?
What is "genetic drift?" How does it affect an animal's genes and their genetic variation?
Fireflies can put on quite a dazzling display. However, it is not us that they are trying to impress.
Is there any sound more annoying than the whine of a mosquito?
Whether you find chirping musical or annoying, males need it to attract female mates. Male crickets on the Hawaiian island Kauai, have a problem.