A lot of people expect fish to just drift around the tank and mind their business. Then they notice certain species waiting ...

Scientists Found Mysterious Circles Deep Underwater and Had No Idea What Made Them for Years ...

Betta fish have become one of the most popular freshwater aquarium pets in recent years. Known for their bright colors, ...

Between wedding planning and work, reporter Savanna Tenenoff and her fiancé Alan Rivenbark decided their next adventure was ...

A new study indicates the adaptable birds evolved into distinct lineages as isolated populations shifted to match their ...

When researchers moved medaka—a fish commonly used in experiments—out of the lab and into more natural conditions, their reproductive clock shifted by hours, suggesting that laboratory findings may ...

Different beak and jaw shapes are illustrative examples of how animal species have adapted to different food sources. In a ...

An organism can appear compliant under single chemical regulation while still carrying a potentially concerning mixture ...

The fish, who live in pitch-black darkness, likely use their bioluminescent lures to find mates. Males then attach themselves ...

Experts hope a new floating wetland project will bring back natural “edge habitat” that disappeared when developers reshaped ...

The U.S. Fish and Wildlife Service is opening a public comment period on a proposal to designate critical habitat for 22 species found in the Commonwealth of the Northern Mariana Islands and Guam. The ...

Brown pelicans and other coastal birds are appearing at rescue centers in droves as Pacific heat wave broils coastal waters ...