Dean’s Blue Hole is a deep blue, 664-foot underwater cavern surrounded by a gorgeous beach on a remote Bahaman island, according to Blue Marble. It formed some 15,000 years ago and, due to its ...

Dean's Blue Hole is the third deepest blue hole in the world, according to the tourist office of The Bahamas. According to Blue Marble Exploration, very little is yet known about the hole which ...

The ocean is Earth’s defining feature. Two of the most famous photographs of all time stamped that indelibly on our minds: Earthrise (1968) and The Blue Marble (1972), both taken during the ...

The first time I met marine biologist Wallace J. Nichols, he gave me a blue marble. As I wrote in my 2011 Outside story about him, it was sort of awkward. “Hold it at arm’s length,” he’d ...

SpaceX recently shared some stunning footage captured from the second stage of its workhorse Falcon 9 rocket. The clip (below) shows Earth from thousands of miles away, with ocean, land, and cloud ...

The "Blue Marble" was the first photo of the whole Earth and the only ever taken by a human. Fifty years on, new images of the planet reveal visible changes to the Earth's surface.

The iconic photo, known as "Blue Marble," was taken by NASA astronauts Eugene "Gene" Cernan, Ronald Evans and Harrison Schmitt on Dec. 7 using a Hasselblad camera and a Zeiss lens, about 28,000 ...

The iconic photo, known as "Blue Marble," was taken by NASA astronauts Eugene "Gene" Cernan, Ronald Evans and Harrison Schmitt on Dec. 7 using a Hasselblad camera and a Zeiss lens, about 28,000 ...