Scientists say the snail darter, whose endangered species status delayed the building of a dam in Tennessee in the 1970s, is a genetic match of a different fish.

When Jimmy Carter chose branding designs for his presidential campaign, he passed on the usual red, white and blue. He wanted ...

In 2018, researchers observed J35 pushing her dead calf along for 17 days, propping it up for more than 1,000 miles.