Scientists have documented same-sex behavior in many animals. Learn what it means, how it varies, and why human labels can mislead.

Animals may not celebrate Valentine’s Day, but courtship rituals, pair bonding and fierce competition shape love in the wild.

If you’d like to submit a question to the Outside/In team, you can record it as a voice memo on your smartphone and send it to outsidein@nhpr.org. You can also leave a message on our hotline, 1-844-GO ...

The Queen gets to tell everyone what to do, and she chooses a few males to breed with, we believe,” says Kerns. “However, she can have one of the largest litters of any mammals, over 30 babies at a ...

A study published in the journal PeerJ, conducted by a researcher from the Institute of Systematics, Evolution and ...

Orange County school board votes 6-2 to keep controversial children's book "Do Animals Fall In Love?" with animal mating ...

Scientists at the Max Planck Institute for Biology have discovered a remarkably streamlined strategy for developmental control in brown algae. They have shown that a single ARGONAUTE (AGO) protein ...

Termites did not evolve complex societies by adding new genetic features. Instead, scientists found that they became more social by shedding genes tied to competition and independence. A shift to ...

Sharks have a branding problem. For many people, the word alone conjures images of horror: sleek predators stalking through ...

As Westminster spotlights dog breeding ethics, Peta’s message is sharp. But on cats, TNR and urban policy, that same moral certainty becomes harder to find ...