The Hercules ROV (Remote Operated Vehicle) was exploring the coast of Louisiana when it came across a curious sperm whale nearly 600 meters beneath the surface. Occurrences like this are rare at this depth, especially with underwater robots. The researchers were surprised to see the whale stick around and circle the ROV a few times, giving us a unique look at this magnificent creature. Check out this amazing footage caught on film by the crew of the E/V _Nautilus_ and learn more about this historic expedition.

This incredible video has never-before-seen footage of an orca being rescued from entanglement, filmed on a GoPro camera! You won't want to miss the end.

Giant squid almost have an amost mythical status, so it's no wonder that capturing one on film was such a big deal. Learn how researchers were able to find and record the giant squid in this TED talk featuring Oceanographic researcher Edith Widder.

An air-faring drone captured video of whale sharks and manta rays feasting on plankton off the coast of Isla Mujeres, Mexico — and the lucky snorkelers who joined them!

A rare white whale was spotted by researchers recently, making waves off the east coast of Russia.

What killed nine blue whales in Newfoundland? Read here to find out what experts think.

Watch as divers near Souza Rock on the coast of Central California have a close call with Humpback Whales in this startling video.

Where can you dive or snorkel with big animals in the Caribbean? Here are some of the best encounters with sharks, whales, and a host of other pelagics.

Ever wondered what it's like to dive with the largest animal on the planet, the blue whale? Picture diving with an 18-wheel semi, and you're getting close.