The first television picture from space, taken 450 miles above Earth Image taken on April 1, 1960 by TIROS 1. This was the first television picture of Earth from space.

An astronaut aboard the International Space Station has shared a striking photo of what is known as a Transient Luminous ...

A tech billionaire performed the first private spacewalk hundreds of miles above Earth on Thursday, a high-risk endeavor reserved for professional astronauts — until now. Tech entrepreneur Jared ...

Earth's stratosphere — an atmospheric layer that starts 7.5 miles above the surface — is shrinking.; The stratosphere has gotten a quarter-mile thinner since 1980 and will keep contracting ...

Among them was Captain Joseph Kittinger, who in 1960 stepped from his balloon into free fall from 103,000 feet above the ground — nearly 20 miles. "I said, 'Lord, take care of me now.' ...