A striking image captured by Google Earth shows Earth from a perspective that reveals the planet’s vast blue surface in unprecedented detail. The image emphasizes why Earth is often called the “blue ...

“What?” NASA astronaut Peggy Whitson exclaimed after her fellow Shane Kimbrough radioed her saying, “Peggy, I don’t have a shield.” It was Thursday, March 30, 2017, and Whitson was tethered to the ...

This amazing astronaut photo shows the bizarre whale-like shape of a Belizean tropical island. The coral-reef-covered structure is home to the Great Blue Hole, one of the deepest marine sinkholes on ...