Deep in the Pacific, humans have tracked a mysterious whale’s call for decades—but no other whale seems to respond. And now, we might be running out of time to find the source.

A new immersive art installation highlights the effects humans have on ocean ecosystems, and whales in particular.

Whales are the biggest creatures on Earth. These animals are found in every ocean, but that doesn't make them fish.

Toothed whales have teeth instead of the keratinous baleen that blue whales and others use to feed on tiny animals, such as krill. Sperm whales, which feed mainly on squid, are the largest ...

From mammoth African elephants to giant whales, let's take a look at the 8 largest mammals that inhabit our planet.

One of San Francisco’s lesser-known islands has a regional preserve, a lone inhabitant and incredible 360-degree views of the Bay.

How big they are: Up to 32 feet (9.8 meters) long How long they live: Up to 100 years, but usually around 25 to 50 years What they eat: Fish, seals, seabirds, squid, sharks, and even whales Orcas ...

The charity said: “The humpback whale is a large baleen whale, reaching up to 18m long. They are found throughout the world's oceans and perform some of the longest migrations of any mammal. They ...

While professional teeth whitening works well, it's expensive. Want whiter teeth without the steep dentist bill? At-home whitening strips could be your answer. This affordable whitening solution ...

Without proper treatment, tooth infections can spread to other areas of the body, leading to serious and potentially life threatening complications. A tooth infection, or a tooth abscess ...