Volcanic caves are not just an Earth thing. Scientists have spotted signs of lava tubes on the Moon and Mars. Now, ...

New observations from NASA's James Webb Space Telescope (JWST) suggest that even extremely massive gas giants — once thought ...

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

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

The University of Trento has demonstrated the existence of an empty lava tube even in the depths of Venus, a planet whose surface and geology have been largely shaped by volcanic processes. The cave ...

A major study by an international team of researchers using data from the NASA/ESA/ASI Cassini spacecraft has revealed a lattice-like structure of crisscrossing reflected waves that flow downstream ...

The combustible sedimentary rock, better known as coal, was not only crucial to the onset of advanced technology here on Earth, but it should also be key to the development of advanced E.T.s residing ...

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 created by a lava flow, the first subsurface ...

A massive subsurface structure has been discovered on Venus, according to astronomers relying on radar data analysis.

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

NASA spent roughly a billion dollars to send a car‑sized robot into the Sun’s atmosphere, and to get there it had to ...

A mysterious interstellar visitor sparks fears of alien contact as Baba Vanga's prophecy predicts a colossal spacecraft in 2026.