What gives Jupiter's Great Red Spot its distinct color? A new study shows why the answer may not be easy to find.
The Deep Space Network is NASA's worldwide radio telescope array that makes it possible to communicate with spacecraft.
NASA's Earth Observing System is a collection of satellites that monitor the planet's climate system over an extended period.
Since 1961, the John C. Stennis Space Center has tested rockets that went to the moon and those that will carry humans even farther.
By relying on three or four pulsing stars to navigate, missions could calculate spacecraft locations faster and more accurately than they can using current methods.
NASA's Ames Research Center conducts research and development in aeronautics, exploration technology and science.
A new, ultrafast method of measuring the mass of massive black holes in distant galaxies could help scientists better understand how these monsters influence the lives of galaxies.
The Andromeda galaxy is the most distant object in the sky that you can see with your unaided eye. It's also on a collision course with our Milky Way.
Massive gas giants shine brightly in the light reflected from their parent star. Now, astronomers are using this glow as a new way to hunt for hidden worlds.
While 2017 included several astronomical highlights, the Great American Solar Eclipse of Aug. 21 stands out as the biggest skywatching event of the year, if not all time.
Solar system researchers reveal their thoughts about Trump's plan to visit the moon before sending humans to Mars.
REFERENCE Kalpana Chawla's story has inspired millions of women and children to pursue careers in space
The solar system's first-observed interstellar emissary hints at undiscovered populations of exoplanets and violent origins.
Ceres' bright patches may overlie pools of salty water, which could be the remnants of an ancient, subsurface ocean.