The school-bus-sized observatory launched on April 24, 1990 and overcame early setbacks to become one of the most ...

MPH fusion rocket to Pluto in 4 years? Sunbird's tech is poised to disrupt space travel, opening up future deep-space ...

NEW YORK — A newly discovered green comet tracked by telescopes has likely broken apart as it swung by the sun, dashing hopes ...

Jupiter is the largest planet in the solar system. It's about 11 times wider than Earth with an equatorial diameter of 88,846 ...

Voyager 1, shown in this illustration, has operated for decades thanks to a radioisotope power system. NASA via AP Benjamin Roulston, Clarkson University Powering spacecraft with solar energy may not ...

Comets, which are composed of ice, frozen gas, dust and rocky material, are believed to be relics of the early solar system.

A newly discovered green comet tracked by telescopes has likely broken apart as it swung by the sun, dashing hopes of a naked ...

The company’s ambitious new Sunbird design aims to harness nuclear fusion in space, despite the fact that commercializing ...

Almost 10 years ago, a NASA spacecraft was able to take several photos of Pluto, known for decades as a planet before it was ...

If the nuclear fusion powered rocket becomes operational, it would cut the time required to reach Mars by half and reach Pluto in just four years. Unlike traditional chemical rockets like Starship, ...

The Geostationary Operational Environmental Satellites (GOES) captured a stunning view of Earth’s western hemisphere, with white clouds and snow, deep blue oceans, and green and brown continents. NASA ...