Tag Archive for 'Lava tube'

Magellan radar image of Venus displaying several pit chains and the identified skylight, marked as A, potentially providing access to the subsurface (i.e., empty void); the white arrow indicates the radar illumination direction. Image credit: NASA / Carrer et al., doi: 10.1038/s41467-026-68643-6.

Hidden Caves on Venus? New Analysis Suggests Massive Lava Tube beneath Venusian Surface

Feb 9, 2026 by Sergio Prostak

Using archival radar data from NASA’s Magellan spacecraft, planetary researchers have identified a vast underground conduit beneath the surface in the...

Photographs of Umm Jirsan Cave and its interior sections. Image credit: Stewart et al., doi: 10.1371/journal.pone.0299292.

Humans Occupied Lava Tube Cave in Saudi Arabia for 7,000 Years, Archaeologists Find

Apr 17, 2024 by News Staff

New archaeological excavations have revealed repeated phases of human occupation of Umm Jirsan lava tube in the Harrat Khaybar, north-western Saudi Arabia,...