Monterey, California, is home to insatiably curious and playful harbor seals. Here's what it's like when they're zipping ...

In a study in the journal Science, McKnight and his colleagues report they may have found the answer: Seals can directly ...

Marine mammals can dive for remarkably long periods because their bodies have evolved to adapt to the underwater environment. Elephant seals, in particular, can hold their breath for about two hours.