"Without that closed off, you'd be seeing 100-degree temperature air just flowing right through here, ripping in and making this no longer an ice cave," Wallace said ...

From a research submersible, scientists saw hardened lava, dead tube worms and orange flashes from an eruption in the East ...

Led by the University of Delaware’s Andrew Wozniak, associate professor in the School of Marine Science and Policy, a team of ...

Hawaii’s Kilauea volcano was sending lava shooting into the air, creating an impressive spectacle during its latest eruption ...