A team of researchers has identified what appears to be a massive underground lava tube on Venus, roughly 1 kilometer wide, ...

What seemed like an ordinary trip through the Mojave Desert quickly turned into something far more mysterious. A hidden cave entrance appeared where nothing should have been, and stepping inside ...

Mammoth Cave National Park, home to the world’s longest known cave system, stretches for more than 680 kilometres, and ...

Pithoragarh: A previously \"undocumented\" cave has been discovered on the banks of the Jakula river near Kviti village, ...