A MYSTERIOUS hole on Mars could be harbouring alien life in an extensive network of underground tunnels, according to Nasa. From orbit, scientists have captured a deep pit on the Red Planet that ...

But Dark Star, with so many areas still to survey ... Mark Synnott inches his way through a narrow tunnel in the cave system. Watch him navigate the shaft. Just inside the entrance, Tonya ...

Scientists have long suspected the moon may harbor dark labyrinths ... the spacecraft's observations and determined it is indeed a cave. And elsewhere on the moon, there could be many more.

Decidedly unremarkable from the top, that open door actually leads to something surprising and seemingly impossible: a hand-carved tunnel beaten into a rocky California bluff that leads to a cave ...

The storm tunnel, dubbed the “Phoenix Bat Cave” on Google Maps ... Their fur is usually reddish or dark brown and their wings are long and narrow. They also have the fastest horizontal ...

Ban Tham Cave in Son La is the only mountain tunnel road in Northwest Vietnam, offering a thrilling off-road experience through a dark, rocky passage. A must-visit for adventure seekers! Ban Tham Cave ...

A team of explorers rappelled into the shaft-like cave and found a “pinkish” animal living in a cold river of the “deep dark zone.” Take a look.

Renowned for its unique and mystical ambiance, this site offers a profound experience of the dark history from Japan's occupation of Indonesia. Constructed in 1942, Japanese Cave was part of ... rock ...