“Silence is noisy, so that was super spooky,” says Bertie Gregory, a National Geographic Explorer and ... the pod zeroed in on their prey—a Weddell seal lying smack-dab in the middle of ...

So yes, they're in trouble," said Jen Hayes, a National Geographic contributor. Experts expect a devastating year for harp seal pup mortalities. "We need to do more. Even though we may not live in ...

A lone seal was resting in the middle of a big, flat chunk of ice, per National Geographic. Generally, orcas try to knock their prey off of ice chunks by making a unique type of wave. But this ...