For most organisms on Earth, rocks are objects, not food. But for one oddball microbe, desert limestone seems to have been on ...

Scientists have presented the "first compelling evidence for the existence of lava tubes on Venus." And they're way bigger ...

Lava tubes are familiar on Earth. They form when the surface of a lava flow hardens while molten rock continues to drain ...

It has been suggested that lava tubes - underground tunnels carved out by molten rock - might be on Venus, and now we have ...

Satellite imagery indicates Iran is increasing construction at a deeply buried site in Pickaxe Mountain, just south of the Natanz nuclear facility hit by Israeli and U.S. strikes in June.

Musk said his proposal to build tunnels to address Houston’s chronic flooding woes would work, after an investigation raised ...

A drill echoes through narrow tunnels deep within the mountain where miner Hugo Flores bores into rock in search of one of ...

A drill echoes through narrow tunnels deep within the mountain where miner Hugo Flores bores into rock in search of one of ...

Researchers confirm with radar and laser the existence of hidden passages beneath Milan's Sforza Castle, anticipated by Leonardo's sketches.

Prime minister vows to bring all the hostages home, defeat Hamas, slams Western leaders for abandoning Israel and buckling to Islamist pressure; denies genocide in Gaza ...

NASA approves new tests for Dragonfly, the nuclear drone that will explore the chemistry of life on Titan starting in 2028.