An excellent diving site, this incredible duo of caves is a favorite of both tourists and locals alike. The two caves—known as Cenote Dos Ojos—were created by two 70-foot sinkholes connected by a ...

2023 has been...weird. Join Mashable as we look back at everything that's delighted, amazed, or just confused us in 2023. Below 1,000 meters, the ocean is eternally dark. Sunlight can't penetrate ...

Discover the world’s 6 most beautiful sea views — from the Cliffs of Moher and Great Ocean Road to the Maldives and Santorini ...

You can’t talk about the ocean without mentioning the Great Barrier Reef. This 1,429-mile ecosystem is the largest living thing on the planet. It’s so gigantic, you can see it from outer space! Just ...

With this jaw-dropping image (pun intended) of a rare Bryde’s whale about to consume a heart-shaped baitball, photographer Rafael Fernández Caballero has been named the Ocean Photographer of the Year ...

From a ballet of whitetip reef sharks to a male cardinal fish releasing freshly-hatched babies from its mouth, these winning underwater photos are a revelation of our oceans’ wonders. "Synchronicity," ...