NASA
Terra's Orbital Drift
In 2020, Terra completed its final inclination maneuver, using some of its limited fuel supply, to maintain that crossing time. Since that final inclination maneuver, Terra has continuously drifted to an earlier equatorial crossing time....
NASA
NASA Prepares to Explore Moon: Spacesuits, Tools
Preparing to explore the surface of the Moon goes well beyond designing and building safe spacecraft and spacesuits. NASA also has to ensure the surface vehicles and suits have the mobility required to do science, and that astronauts...
NASA
The Webb Telescope is Folded for Final Testing
NASA’s James Webb Space Telescope is folded and ready for its final suite of testing. The James Webb Space Telescope will be the world’s premier space science observatory and will solve mysteries in our solar system, look beyond to...
NASA
NASA’s Roman Mission Will Use Exploding Stars to Measure Cosmic Distances
NASA’s upcoming Nancy Grace Roman Space Telescope will see thousands of exploding stars called supernovae across vast stretches of time and space. Using these observations, astronomers aim to shine a light on several cosmic mysteries,...
NASA
Tracing the History of Starlight with NASA's Fermi Mission
Scientists using data from NASA's Fermi Gamma-ray Space Telescope have measured all the starlight produced over 90 percent of the universe's history. The analysis, which examines the gamma-ray output of distant galaxies, estimates the...
NASA
NASA Models Methane Sources, Movement Around Globe
NASA’s new three-dimensional portrait of methane shows the world’s second-largest contributor to greenhouse warming as it travels through the atmosphere. Combining multiple data sets from emissions inventories and simulations of wetlands...
NASA
Take a Spin With NASA's Nancy Grace Roman Space Telescope
On schedule to launch no later than May 2027, NASA’s Nancy Grace Roman Space Telescope mission will help uncover some of the biggest mysteries in the cosmos. The state-of-the-art telescope on the Roman spacecraft will play a significant...
NASA
NASA| Aquarius: One Year Observing the Salty Seas
This video provides a global tour of sea surface salinity using measurements taken by NASA's Aquarius instrument aboard the Aquarius/SAC-D spacecraft, from December 2011 through December 2012. Red represents areas of high salinity, while...