Space has a reputation for being cold, but the numbers behind that reputation are stranger than most people realize. Some of the most frigid spots ever measured are not tucked away in the distant ...

Memories of solar impact from seven ESA spacecraft have been collected and analyzed in a first-of-its-kind study to better understand the radiation environment in space. Huge amounts of engineering ...

Trans-Neptunian objects as small as 3 miles across have been directly characterized for the first time, as Hubble and James ...

Add Yahoo as a preferred source to see more of our stories on Google. New Horizons data shows the solar wind slows 13% to 15% in the outer heliosphere as it picks up interstellar material. (CREDIT: ...

For centuries, astronomers have sought to understand the formation and evolution of the solar system and the dynamics that govern it. In particular, there is the long-standing question of whether or ...

When you’re managing 400-plus solar sites scattered across multiple states, a single transformer failure can cost thousands of dollars per day in lost revenue. But which transformer? At which of your ...

As NASA’s James Webb Space Telescope moves through the final phases of commissioning its science instruments, we have also begun working on technical operations of the observatory. While the telescope ...

Space looks empty until you try to cross it. Far beyond Pluto, where sunlight is faint and the planets are long behind, NASA’s New Horizons spacecraft is moving through a region where the Sun’s ...