Coral reefs in Honolulu and other coastal areas are undergoing what experts say is the world's worst coral bleaching event.

Massive sea urchin populations are destroying Hawaii's coral reefs faster than they can naturally rebuild themselves.

However, nestled on the floor of the Pacific Ocean exists an underwater ecosystem so valuable ... and they are dying almost everywhere they are found. Hawaii is one of the places on earth that ...

This cliff in Hawaii is a hotspot for adrenaline junkies—but beneath the waves, a different kind of thrill awaits. I brought my metal detector and scuba gear to explore what’s been lost beneath the ...

Today, we’d like to invite you to dive into the deep ocean with Karim Iliya as our guide. A photographer, filmmaker, and ...

What's Buried Beneath Hawaii's Busiest Cliff? (Underwater Metal Detecting) While scuba diving in the ocean of Hawaii, with my underwater metal detector, I found some amazing treasure! I found real ...

HONOLULU (HawaiiNewsNow) - Scientists exploring the Northwestern Hawaiian Islands spotted a rare octopus deep underwater ... dive while mapping the ocean floor in the Papahanaumokuakea Marine ...

Fletcher doesn’t believe these lava tubes were formed by lava falling into the ocean but rather that they were formed at a time it was on dry land. “Lava tubes that are underwater like this ...

Underwater Photography Guide held a photo contest in 2020 called "Ocean Art Safe Under the Sea ... "Arms Wide Open" by Paul Cox In Hawaii, Cox photographed a manta ray as it swam alongside ...

But the Garden Isle offers equally amazing underwater views, and scuba diving opens up a whole new world to explore below the ocean's surface ... what you can get in Hawaii is at Niihau ...

Federal environmental authorities this month granted a permit for the operation of a long-discussed aquaculture operation ...

April 10 (UPI) --Aquatic enthusiasts have an opportunity to join a virtual deep sea expedition with underwater ... surface of the ocean to investigate uncharted waters off Hawaii.