The Pennsylvania Department of Environmental Protection says it has learned where the lead in Blue Hole Creek is coming from.

Geologists working in Yellowstone National Park discovered a new pool of strange light blue water this spring. Using ...

Nestled along Route 66 in Santa Rosa, New Mexico, the Blue Hole is a captivating artesian spring renowned for its ...

The blue water spring is about 13 feet in diameter and 1 foot below the rim, USGS said. The water in the pool was measured at ...

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

A FOX 7 Austin viewer sent in drone footage of Blue Hole Park in Georgetown. This was taken on July 5 around 6 p.m. Credit: A Level Above Droneworks ...

Arnaud Jerald, 29, sitting on a platform on Dean's Blue Hole, Long Island. Jerald, of France, took part in the Vertical Blue ...

Blue_Hole_Regional_ParkWimberley’s Blue Hole Park awarded $3 million to support environmental programming at future nature hub Blue Hole Regional Park will see plenty of green thanks to funding ...

These “blue holes”, as scientists call them, do not swallow up everything incapable of fighting their gravitational force, like their black hole cousins.

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

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