A vast underground tunnel known as a lava tube, formed from ancient volcanic activity, was recently discovered lurking beneath Venus.

Researchers had only hypothesized the existence of underground lava tubes on Venus —until now.

By Will Dunham WASHINGTON, Feb 9 (Reuters) - A fresh examination of radar data for Venus obtained by NASA's Magellan spacecraft in the 1990s indicates the presence of a large underground cavity ...

Volcanic activity is not unique to Earth: traces of volcanic activity, such as lava tubes, have been found on Mars and the moon. Now, the University of Trento has demonstrated the existence of an ...

Scientists have uncovered evidence of a gigantic empty lava tunnel beneath Venus, revealing a hidden volcanic world on ...

Due to a weird quirk of geology, New Mexico's Bandera Volcano Ice Cave never warms above 31 degrees Fahrenheit, even when ...

On Mars or the Moon, researchers use high-resolution optical cameras to spot “skylights,” which are essentially holes in the ...

Hidden lava tunnels on the Moon and Mars could one day shelter human explorers, offering natural protection from radiation and space debris. A European research team has unveiled a bold new mission ...

Hidden between the hills of Victoria’s volcanic west, the Byaduk Caves are one of Australia’s largest lava tube networks, and arguably one of the most incredible natural wonders in the state. Formed ...

You have reached your maximum number of saved items. Remove items from your saved list to add more. Covering over 1300 square kilometres on the island of Hawaii – also known as the Big Island – the ...

Hawaii's Kilauea volcano had its latest eruption on Jan. 12, flowing lava for nearly 10 hours and attracting heavy traffic to Hawaii Volcanoes National Park. The volcano began erupting at 8:22 a.m.

Hawaii's Kilauea volcano erupted again this week, sending lava more than 800 feet into the air during a roughly 10-hour eruption, according to the U.S. Geological Survey's Hawaiian Volcano Observatory ...