Visiting sea caves isn’t just about seeing a cool grotto carved out by the ocean — it’s also about the journey to find these caverns. There are cliffs to descend, rocks to scramble ...

Exploring Hidden Ocean Caves and Secret Shells – What We Found Will Shock You #OceanCaves #HiddenTreasures #UnderwaterExploration" Trump Takes Aim at Low-Pressure Showers With Executive Order ...

Both Troglocladodus trimblei and Glikmanius careforum, members of the extinct ctenacanth genus (Ctenacanthus), have been ...

He’s the president of the Cave Conservancy of Hawaii, a nonprofit trust that has been buying up land in and around Ocean View to preserve the tunnels that lie beneath. Wearing helmets ...

Wednesday morning’s clear skies and smooth waters were perfect for ferrying 15 huge concrete domes, or “Sea Caves,” to the bay off Goleta Beach and then dumping them overboard. These 500-pound ...

Honolulu Ocean Safety rescued a 20-year-old swimmer at Spitting Cave just before 4:30 p.m. today, according to a news release. The man jumped off the cliff, a roughly 50-foot jump, and was unable ...

Editor’s note: A version of this story appeared in CNN’s Wonder Theory science newsletter. To get it in your inbox, sign up for free here. A mile and a half beneath the ocean’s surface, the ...

"It is a 45-foot jump into the open ocean, and when the surf is high or currents are strong, they can whip you out or suck you into the cave," said Oahu resident Parker Sullivan. He and Jared ...

He can rattle off a list of dozens of caves and cave-like formations around the Ocean State. Most are small and shallow and may stretch the definition of what a cave is, but what they lack in ...

In a cave overlooking the ocean on the southern coast of South Africa, archaeologists discovered thousands of stone tools, created by ancient humans roughly 20,000 years ago. By examining tiny ...