Andros Island in the the Bahamas features a hidden world of blue and black holes, pockmarking the coastline and interior.

Blue holes are considered an "oasis" for marine life — but the Taam Ja' Blue Hole off the coast of Mexico remains largely mysterious.

The recently discovered marine sinkhole, the Taam Ja' blue hole, likely contains caves and tunnels, according to new research.

Scientists plan to explore Dean’s Blue Hole, one of the deepest blue holes, using advanced technology to uncover its mysteries and potential human remains.

Divers finally made it to the bottom of Belize’s Great Blue Hole, but a dirty secret was lurking in the deep.

The Taam Ja' Blue Hole off Mexico's Yucatán Peninsula has been discovered to be "the deepest-known blue hole globally," according to new research.

Scientists have yet to reach the bottom of the Taam Ja' Blue Hole in Mexico's Chetumal Bay, which new measurements hint could be connected to a labyrinth of submarine caves and tunnels.

Researchers flabbergasted the science community after discovering the world’s second largest blue hole — which could potentially provide a window into life on other planets.

A massive blue hole just showed up near Mexico—and new lifeforms may be inside. What will scientists find 900 deep down?