The Sierra Space Dream Chaser winged spacecraft is seen stacked atop its Shooting Star cargo module on the vibration table at NASA’s Armstrong Test Facility in Sandusky, Ohio, while undergoing testing to simulate launch and re-entry conditions.NASA In 2016, NASA awarded a Commercial Resupply Services-2 contract to Sierra Space, formerly part of Sierra Nevada Corporation, to resupply [...]

NASA/Kim Shiflett A SpaceX Falcon 9 rocket lifts off from NASA’s Kennedy Space Center in Florida on Sept. 24, 2025, carrying three missions that will investigate the Sun’s influence across the solar system. NASA’s IMAP (Interstellar Mapping and Acceleration Probe), the agency’s Carruthers Geocorona Observatory, and National Oceanic and Atmospheric Administration’s (NOAA) Space Weather Follow On–Lagrange [...]

Captured on Aug. 21, this image from NISAR’s L-band radar shows Maine’s Mount Desert Island. Green indicates forest; magenta represents hard or regular surfaces, like bare ground and buildings. The magenta area on the island’s northeast end is the town of Bar Harbor. Credit: NASA/JPL-Caltech The NISAR (NASA-ISRO Synthetic Aperture Radar) Earth-observing radar satellite’s first [...]

Explore This Section Science For Professionals NASA & STEM Learning… Overview Learning Resources Science Activation Teams SME Map Opportunities More Science Activation Stories Citizen Science   2 min read NASA & STEM Learning Ecosystems: Opportunities & Benefits for Everyone STEM learning ecosystems are intentionally designed, community-wide partnerships that enable all Americans to actively participate [...]

NASA astronaut Chris Williams poses for an official portrait at the agency’s Johnson Space Center in Houston.Credit: NASA NASA will host a news conference at 2 p.m. EDT Wednesday, Oct. 1, from the agency’s Johnson Space Center in Houston to highlight the upcoming mission of astronaut Chris Williams to the International Space Station. The news [...]

Credit: NASA NASA has selected Science and Technology Corp. of Columbia, Maryland, to support atmospheric science research and development at the agency’s Goddard Space Flight Center in Greenbelt, Maryland. The Atmosphere Support is a cost-plus-fixed-fee, single-award indefinite-delivery/indefinite-quantity contract with a maximum ordering value of $163.1 million. The contract will have an effective date of Monday, [...]

NASA’s Neil Gehrels Swift Observatory, shown in this artist’s concept, orbits Earth as it studies the ever-changing universe.Credit: NASA’s Goddard Space Flight Center Conceptual Image Lab Driving rapid innovation in the American space industry, NASA has awarded Katalyst Space Technologies of Flagstaff, Arizona, a contract to raise a spacecraft’s orbit. Katalyst’s robotic servicing spacecraft will [...]

Attendees are seen by the NASA exhibit at the 70th International Astronautical Congress, Friday, Oct. 25, 2019, at the Walter E. Washington Convention Center in Washington. Credit: NASA/Joel Kowsky Led by acting NASA Administrator Sean Duffy, an agency delegation will participate in the International Astronautical Congress (IAC) in Sydney, Australia, from Sunday, Sept. 28 to [...]

(Top) NASA astronaut Anne McClain performs the first series of tests of an Astrobee robot, Bumble, during a hardware checkout in May, 2019.   (Bottom) NASA astronaut McClain poses with Astrobee robots Bumble (left) and Honey during their latest on orbit activity in May, 2025.  NASA NASA is continuing the Astrobee mission through a collaboration [...]

2 min read Preparations for Next Moonwalk Simulations Underway (and Underwater) Justin Link, left, and Justin Hall attach an engine onto a subscale aircraft on Wednesday, Sept. 3, 2025, at NASA’s Armstong Flight Research Center in Edwards, California. Link is a pilot for small uncrewed aircraft systems at the center’s Dale Reed Subscale Flight Research [...]