What is known is that they have a relatively stable supply of deep-swimming cartilaginous fish — such as sharks or rays — ...

A new study reveals that warming ocean temperatures are hindering the endangered humpback whales' migration habits, which ...

Orcas, or killer whales, are deadly and beautiful apex predators.

In 2018, a study made headlines when it found that a captive orca, or killer whale, was able to imitate human speech. The ...

A pod of southern resident killer whales was recently spotted off the Oregon coast — an unexpected sighting that could have big implications.