Colorado has been fighting Aquatic Nuisance Species or ANS for years. Aquatic invasives are often small unremarkable ...

The first belonged to a long-crested eagle, the sitting female’s signature plumes fluttering in the heat haze. The next was a ...

The pup was one of seven eggs hatched in Tacoma then shipped to Indonesia as part of a conservation initiative to restore shark populations.

A new study published in 'Science' reveals that Zebra finches have more complicated communication than expected.

Humans spent centuries trying to tame zebras—but nature made sure they’d always stay wild.

Spread mainly by hitching rides on watercraft, the fast-reproducing mollusks clog water infrastructure, cling to marinas and ...

Humans seem to be drawn to butterflies. Maybe it's their colors, or the way they drift around on the slightest of breezes.

Paleontologists have long wrestled with the challenge of identifying the genders of dinosaurs from the fossils they leave behind. Once the soft tissues like reproductive organs have decayed away, ...