1 Min Read Ammonia-Bearing Compounds Discovered at Surface of Jupiter’s Moon Europa PIA26546 Credits: NASA/JPL-Caltech Photojournal Navigation Science Photojournal Ammonia-Bearing Compounds… Photojournal Home Photojournal Search Latest Content Galleries Feedback RSS About   Downloads Ammonia-Bearing Compounds Discovered at Surface of Jupiter’s Moon Europa PNG (4.09 MB) Description Advanced analysis of decades-old data from NASA’s Galileo [...]

3 min read Preparations for Next Moonwalk Simulations Underway (and Underwater) The Varda Space Industries W-5 capsule returned to Earth in Koonibba in South Australia on Jan. 29, 2026, with the protection of a heat shield made of C-PICA, a cutting-edge material licensed from NASA and manufactured by Varda. The capsule’s successful return marks the [...]

1 Min Read Europa’s Ice Shell (Artist’s Concept) PIA25630 Credits: NASA/JPL-Caltech/SwRI/Koji Kuramura/ Gerald Eichstädt (CC BY) Photojournal Navigation Science Photojournal Europa’s Ice Shell… Photojournal Home Photojournal Search Latest Content Galleries Feedback RSS About   Downloads Europa’s Ice Shell (Artist’s Concept) JPEG (2.17 MB) Description This artist’s concept depicts a cutaway view showing Europa’s ice [...]

A new image from NASA’s James Webb Space Telescope of a portion of the Helix Nebula highlights comet-like knots, fierce stellar winds, and layers of gas shed off by a dying star interacting with its surrounding environment. Webb’s image also shows the stark transition between the hottest gas to the coolest gas as the shell [...]

7 Min Read Building Roman NASA’s Nancy Grace Roman Space Telescope is now assembled following the integration of its two major segments, shown in this time-lapse. Credits: NASA/Sophia Roberts Technicians have completed the construction of NASA’s Nancy Grace Roman Space Telescope. The Roman observatory is slated to launch no later than May 2027, with [...]

Explore Webb Science James Webb Space Telescope (JWST) NASA Webb Pushes Boundaries of… Webb News Latest News Latest Images Webb’s Blog Awards X (offsite – login reqd) Instagram (offsite – login reqd) Facebook (offsite- login reqd) Youtube (offsite) Overview About Who is James Webb? Fact Sheet Impacts+Benefits FAQ Webb Timeline Science Overview and Goals [...]

3 Min Read NASA Testing Advances Space Nuclear Propulsion Capabilities Written by Daniel Boyette Nuclear propulsion and power technologies could unlock new frontiers in missions to the Moon, Mars, and beyond. NASA has reached an important milestone advancing nuclear propulsion that could benefit future deep space missions by completing a cold-flow test campaign of [...]

Explore the UniverseUniverse HomeBasicsCosmic HistoryBuilding BlocksForcesGalaxiesOverviewTypesEvolutionLarge Scale StructuresBlack HolesOverviewTypesAnatomyBlack Hole WeekStarsOverviewTypesMultiple Star SystemsPlanetary SystemsExoplanetsExplorationSensing the UniverseTelescopes 101ObservatoriesMoreNewsDeep DivesQuick ReadsGraphicsGlossaryFun & Learning Artist’s concept of exoplanet candidate HD 137010 b, dubbed a “cold Earth” because it’s a possible rocky planet slightly larger than Earth, orbiting a Sun-like star about 146 light-years away.NASA/JPL-Caltech/Keith Miller (Caltech/IPAC) The Discovery [...]

4 min read Preparations for Next Moonwalk Simulations Underway (and Underwater) A team of NASA scientists deployed on an international mission designed to better understand severe winter storms. The North American Upstream Feature-Resolving and Tropopause Uncertainty Reconnaissance Experiment, or NURTURE, is an airborne campaign that uses a suite of remote sensing instruments to collect atmospheric [...]

3 Min Read Webb Data Reveals Dark Matter PIA26702 Credits: NASA/STScI/J. DePasquale/A. Pagan Photojournal Navigation Science Photojournal Webb Data Reveals Dark Matter Photojournal Home Photojournal Search Latest Content Galleries Feedback RSS About   Downloads Webb Data Reveals Dark Matter PNG (42.87 MB) This image from NASA’s James Webb Space Telescope, containing nearly 800,000 galaxies, [...]