The remaining 50 chimps in federal custody will be sent to a sanctuary for retirement.
A pair of proteins may hold the key to how animals like pigeons, sharks and bees sense the Earth's magnetic field and use it to navigate.
Species of snake in nine states are vulnerable to an often deadly disease.
Chinese scientists edit out a key gene to make extra-muscular pups.
A Danish zoo said it would dissect a lion in front of children, undeterred by the outrage a similar experience in a Copenhagen zoo caused last year.
The Alaska native was rescued after people found her tangled in a fishing net in July 2014.
The deep-sea dweller, long thought extinct, has a vestigial lung lurking in its abdomen.
Researchers are just now starting to find clues as to how more than half of Kazakhstan's herd died so rapidly.
+ Load More