Scientists have now documented two instances of killer whales ramming into prey so hard that it explodes into little fishy ...

A new study revealed contagious cancer in fish, marking the first such case ever documented in freshwater species.

The cancer poses no known health risk to humans.

Scientists captured video of orcas ramming into sunfish with such force that the fish exploded. The behavior may be for fun ...

But off the coast of Baja California, a group of orcas has adopted a brutal way of hunting sunfish: With an unusual maneuver, ...

Scientists have identified the first known transmissible cancer in fish, after discovering that melanoma tumours are ...

Archaeologists have uncovered the remains of 7,000-year-old fish traps in the mountains of southern Norway, indicating that ...

Four belugas were brought to the Shedd earlier this week from a now-shuttered marine amusement park in Canada.

It's rare that cancerous tumours can spread from one individual to another. But a genetic study suggests that's what's ...

The first-ever transmissible cancer to spread among fish in a freshwater setting has been discovered among brown bullhead ...

A large UK study tracking over 150,000 adults with clinical obesity found pescatarians outlived regular meat-eaters, while ...

There’s a new fish species in Alabama, but you can’t see it. In fact, as far as scientists know, this fish only lives in one ...