Scientists and Indigenous community members documented 27 new-to-science species in Peru’s Alto Mayo region, including four ...

An aquatic mermaid performer was swimming in an aquarium tank in China when she ran afoul of a human-sized fish that took a ...

It’s tiny, it’s silver and it’s at the center of a decades-long controversy over California’s water system. It’s the delta smelt. This threatened fish lives exclusively in the Sacramento-San Joaquin ...

The world's largest invertebrate remained hidden from humanity until a tantalising glimpse 100 years ago. But it would be ...

Officials are asking Californians to be on high alert as sightings of mountain lions and wolves roaming near human trails ...

From saying goodbye to privacy and personal space to welcoming in more joy and laughter, pets change our lives in the most ...

Kennedy Jr. scrapped with senators for more than four hours Wednesday, trying to defend everything from his “conflicting” ...

Recently, something quite unusual happened at Japan's Kaikyokan Aquarium when one of its sunfish began acting up and the aquarium staff realised that its health problem was due to loneliness. After ...

Besides Trump's withdrawal already from the Paris climate agreement, advocates fear he'll cut U.S. funding for policing that ...

New research reveals significant transformations in fish communities on the ... Reef is undergoing big changes in the face of climate change and other human-caused pressures, a new study reveals.