The legendary Wisdom, the world's oldest banded bird, has returned to her home base on Midway Atoll to raise another chick.
A new study compares traditional, ground-based bird surveys against unmanned aerial vehicles rigged with audio recorders.
A vibration message formerly understood to be a warning signal to the colony turns out to have another meaning as well.
Tigers, leopards and wild dogs are known to attack each other ferociously, but in parts of India the carnivores seem to be peacefully co-existing.
A battle is now underway between animal rights groups and the USDA over the federal agency's decision to remove animal welfare inspection reports from its website.
Upending a long-held belief, new research finds that the fierce marine reptile Dinocephalosaurus took the live-birth route instead of laying eggs.
Venomous brown recluse spiders produce incredibly strong web silk that could be copied for multiple uses, including snagging space junk.
A dog-sized creature from 260 million years ago named Euchambersia had the anatomical features necessary to deliver a payload of poison, new research finds.
Nearly half of endangered mammals and a quarter of all birds are being harmed by global warming, researchers find.
A dazzling cavern and a close-up of an orca pod help round out the visual feast.