A humpback whale that had been thrilling boaters off Newport Beach, Ca., for several days breached for a prolonged period Sunday, revealing that the mammal is hardly free and thriving. The ...

A humpback whale has made one of the longest and most unusual migrations ever recorded, possibly driven by climate change, scientists say. It was seen in the Pacific Ocean off Colombia in 2017 ...

A male humpback whale swam 8,106 miles (13,046 km) from the Pacific to the Indian Ocean, mingling with other whale populations and potentially having sex with them along the way. A male humpback ...

Your heart is a muscle, and it gets stronger and healthier if you lead an active life. It's never too late to start exercising, and you don't have to be an athlete. Even taking a brisk walk for 30 ...

Some of the world’s finest whale scientists, alongside members of the local Māori community, gathered last week in New Zealand to dissect the 16-foot, 3,000-pound, mammal — marking the first ...

Heart disease isn't just one thing. It's a number of conditions that can affect how your heart works. Heart disease can also be called cardiovascular disease, though that term covers blood vessels ...

Sperm whales live in the depths of the ocean. They dive as deep as 900 meters (nearly 3,000 feet) to forage and spend only about 10 minutes of every hour on the surface. Their world is cold and dark, ...

Chest pain, shortness of breath, and discomfort in one or both arms are some well-known heart attack symptoms. However, sudden nausea, fatigue, or dizziness can also be signs, especially in women.

In the Gulf of California, along the northwestern coast of Mexico, he leads a pod of fellow orcas in sophisticated hunts against whale sharks. “He’s at least 30-feet-long and we estimate that he’s ...