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 ...

“Earth is amazingly beautiful when your feet are firmly planted on the ground, and it’s beautiful from space,” Pettit said.

April 22 is traditionally known as Earth Day, the occasion where we pause as temporary travelers on our 'blue marble' to ...

The gorgeous Eagle Nebula is one of the most iconic objects in the cosmos, known affectionately as the Pillars of Creation.

Auroras are natural light displays that occur when charged particles from the sun interact with Earth’s magnetic field and ...

Space is massive, and in many areas, amazingly beautiful. We are fortunate to live in a time when humans are able to see at ...

A camera affixed to the International Space Station recently spotted some curious symbols amid a barren desert landscape.

Longtime NASA astronaut Don Pettit, who has ventured to space four times, returned to Earth on Saturday night from the International Space Station. Pettit, who turned 70 on Sunday, landed at 9:20 ...