While cleaning a fresh catch, something shocking appears inside the fish’s mouth – a strange, worm-like creature that looks toxic. What is it, and how did it get there? Watch this unsettling discovery ...

A parasitic worm uses static electricity to launch itself onto flying insects, a mechanism uncovered by physicists and ...

Conservationists and the state of Oregon have asked a federal court to approve changes to dam operations on the lower Snake and Columbia Rivers to help restore salmon populations.