Hoping to do some snorkeling on Kauai? Here are the 9 best places for Kauai snorkeling you’ll want to add to your Kauai ...

With two championship golf courses and a contrast of black lava, lush greenery, and deep blue ocean on the Big Island, is ...

Are you starting to plan your Big Island vacation and want to avoid rookie mistakes? Keep scrolling to find out the top Big ...

LAVA HOT SPRINGS — Area residents will soon be able to plunge into the frigid Portneuf River and simmer in sizzling hot pools ...

We’ve known for quite some time that molten rock gouged enormous tunnels into the surface of the Earth, the Moon, and Mars. In fact, scientists have proposed that the vast lava tubes under the surface ...

The takeaway: Little is understood about the geology of Venus, and recent findings suggest that the planet's subsurface processes may not follow the same patterns observed elsewhere. Future missions ...

We now know for sure that massive underground tunnels, carved by lava, exist on Venus – and they are surprisingly wide and different from those on any other planet. It is uncontroversial that lava ...

The Lava River Cave exhaled chilled air. I put on my sweatshirt, despite the hot July day. Though I'd been warned about the sudden drop in temperature to a crisp 42 degrees, it was hard to believe I'd ...

Rescuers hoisted a trapped caver 300 feet out of a lava tube in a Utah park, officials said. Santa Clara-Ivins Fire and Rescue on Instagram A trapped caver was hoisted 300 feet from a lava tube in a ...