Deep inside a massive cave plunging more than 500 feet below the surface, explorers made an unexpected discovery. Ancient ...

"This is just the beginning." Scientists issue warning after making disturbing discovery deep inside sea caves: 'What we saw inside some caves was shocking' first appeared on The Cool Down.

The investigative minds at How to Survive examine why the world’s deepest cave proved fatal, including key cave hazards.

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