Kilauea volcano began shooting lava into the air once again Tuesday on the Big Island of Hawaii. This is the ninth episode of eruptive activity since Dec. 23, the Hawaiian Volcano Observatory said.

Kilauea, one of the world's most active volcanoes, has been erupting on and off for nearly two months since it burst to life on Dec. 23. The eruption has been taking place at the the volcano's summit ...

Shutterstock Hike Through a Volcanic Landscape Hawaiʻi Volcanoes National Park opened on August 1, 1916, on the Big Island of ...

Mount Etna on Monday (February 10) staged a mesmerizing spectacle with lava spewing from the Bocca Nuova crater, illuminating the snowy surroundings of the volcano's summit.

Passing by a series of subterranean geological features named cave chocolate, cave bacon and cave popcorn, I start to wonder ...

The team ventured into the partially flooded cave as part of an ongoing research project. See what they found inside.

From stunning artwork to evidence of elaborate prehistoric butchering, Live Science takes a look at seven amazing caves that ...

Below Mount Jefferson and McKenzie Pass is a massive storehouse of water three times the size of Lake Mead, say Oregon researchers.

With wide sandy valleys over a mile (1700 meters) high, smooth red dunes and mesmerizing rock formations ... including ...

The Lanzarote lava tube system is an accessible testing ground for DLR's SCOUT Rover, tailor-made for navigating the complex ...

While scoping out nearby Sand Cave on Jan. 30, 1925, the 37-year-old got stuck on his way out. As he twisted and squeezed through tight passageways, his foot bumped against a loose rock, and the ...

The son of Bad Seeds singer Nick showed off his sense of style in an oversized blazer for the event.