Each summer, thousands of bluebottles (also known as Portuguese man-of-wars) wash up along the shores of Sydney, Australia. These remarkable relatives of jellyfish are actually colonial organisms: ...

One Great Shot: Are You Ready for This, Jelly? During a nighttime dive, a veteran underwater photographer captured a tiny fish’s cunning effort to find a safe spot in a dark sea.

Tundra Books It’s common for children to request their most beloved picture books on repeat. This counting book embraces this ...

As humanity works to slash greenhouse gas emissions and stem the pace of planetary warming, scientists, governments, and industry leaders are looking for low-carbon alternatives to fuel the future.

Decades after they were hunted to local extinction, fin whales are recovering in the Kitimat fjord system—only to be threatened by a booming LNG industry.

Using an app developed by Inuit in Nunavut, Indigenous communities from Alaska to Greenland are harnessing data to make their own decisions.

In Hawai‘i, people, pigs, and ecosystems only have so much room to coexist, and the pigs exist a little too much.

Francis “Bully” Mission Sr., president and founder of Mission Animal Control, is in a good mood when I meet him at a strip mall parking lot on the south side of the Hawaiian island of Kaua‘i. He and ...

The adoption of ship scrubbers—technology meant to clean up dirty fuel—has caused a surge in heavy metal pollution.