The light fades as divers disappear farther into a cave system, until the greenish hue from their flashlight is all that’s visible, bouncing off walls, picking out creatures humans might never have ...

Investigators probing the deadly cave diving tragedy that left five people dead are now examining a dramatic new twist that could reshape the understanding of what went wrong deep underground.

Deep beneath the crystal turquoise water, white sandy beaches and thatched overwater bungalows of the Maldives lies a deep and narrow system of caves, devoid of light and the colorful marine life that ...