A new mission concept that would see a fleet of telescopes probing rocky planets in their stars' habitable zones should be ...

Mykhailo Viktorovych Polyakov of Scottsdale, Ariz., was arrested two days after he set foot on the restricted territory of ...

It's a scenario worthy of a nightmare. Trapped in a 'corkscrew' shaft deep underground and with no hope of escape. At around ...

In the summer of 1962, a young French geologist named Michel Siffre descended into a glacial cave in the French Alps with no ...

Bats adapt their echolocation system when they emerge en masse from caves at dusk, according to a study in which they were equipped with portable microphones.

Study shows prehistoric children may have participated in cave art because they were considered mediators between the ...