Step off the desert trail and into Arizona’s longest cave, where crystal formations and subterranean wonders await.

Evidence that modern humans and an older hominin species used the same cave, probably during overlapping periods, has been ...

An ancient Martian system of canyons and valleys could be home to archaic life forms, a ground-breaking scientific paper has found. Scientists investigating the Red Planet’s mind-boggling cave system ...

Best-selling Swiss author Erich von Daeniken, who built a lucrative career on his argument, rubbished by scientists and ...

When Disney and George Lucas created this attraction, it was declared one of the scariest Disney rides ever created.

After eons underground, it was discovered by accident. Within a couple of decades, it was already under threat.

His book Chariots of the Gods?, which theorised that advanced aliens had repeatedly visited Earth, sold millions of copies.

Struggling with starvation in StarRupture? Here's the best way to get food and gain calories early on, and how you can ...