The huge fish are dwindling in the wild, but thriving in private homes. Scientists see an opportunity for their recovery.

Discover National Geographic Wild’s August lineup featuring powerful African wildlife documentaries that explore survival, ...

This is Campbell River’s annual salmon run, an epic journey of hundreds of thousands of fish from the Pacific Ocean, returning to their freshwater spawning grounds.

Blue whales have been singing less, and it could be a bellwether of climate change. Warming oceans affect the availability of ...