No other predator is able to challenge the orca, says Melissa Hobson ...

Viral footage showcases a massive apex predator indulging in a once-in-a-lifetime feeding spectacle off the southern coast of ...

The Eastern Tropical Pacific orca pod is considered among the least-studied orca pods, making every interaction with them ...

Iberian orcas have been ramming boats off the coast of Portugal and Spain. But what looks like vengeance may have a more ...