The number of satellites in orbit, especially in low-Earth orbit, has massively increased in the last decade. This has ...

Prologue I remember President John F. Kennedy when, on June 10, 1963 gave the Commencement Address at the American University ...

The Sun provides the energy that drives Earth’s climate ... or albedo, of the planet. Bright surfaces reflect radiation and cool the climate, whereas darker surfaces absorb radiation and produce a ...

The time-lapse footage was captured by NASA astronaut Jonny Kim. NASA astronaut Jonny Kim has posted his first time-lapse ...

The sharpest images of the universe are created when radio telescopes around the world work together. For the first time, the ...

In a stunning reminder of our place in the vastness of space, a remarkable image taken by NASA’s Cassini spacecraft shows ...

NASA's Chandra X-ray Observatory has captured a striking image of a distant quasar from the "cosmic noon," including a giant ...