Back to Top
STS-82 crew members Mark C. Lee (left) and Steven L. Smith (on RMS arm) work on the Hubble Space Telescope during the mission’s fifth extravehicular activity (EVA). Credit: NASA
This Month in NASA History: STS-82 Upgrades Hubble

Hubble servicing mission relies on expertise and experience of seasoned crew.

Read More
System Expert Performing Analysis of a Thermal Protection System Tile. Credit: NASA
Spotlight on Lessons Learned: Component Identification Procedures Used in the Columbia Accident Investigation

Procedures developed by the NASA community to identify, catalog, and inspect accident debris proved invaluable in the Space Shuttle Columbia accident investigation.

Read More
Logo of the program
Apollo, Challenger, Columbia Lessons Learned Program (ACCLLP)

Web page which not only provides an overview of the program itself, but also offers an in-depth look at each mission individually.

Read More
NASA’s Space Launch System (SLS) rocket and Orion spacecraft, standing atop the mobile launcher, arrive at Launch Pad 39B at the agency’s Kennedy Space Center in Florida on Nov. 4, 2022, ahead of the uncrewed Artemis I launch. Credit: NASA/Kim Shiflett
Report Quantifies Economic Impact of Moon to Mars

Artemis already creating jobs, creating economic output.

Read More
STS-89 Commander Terrence Wilcutt, left, greets Mission Specialist David Wolf at the airlock of Space Shuttle Endeavour, following Wolf’s 128-day mission aboard the Mir space station. It was a reunion in space for Wilcutt and Wolf, who were both from NASA Astronaut Group 13. Credit: NASA
This Month in NASA History: A Reunion at Mir

STS-89 reunites members of NASA Astronaut Group 13.

Read More
Graphic showing the configuration of the MSL Descent Stage for the final mechanical walkdown. Credit: NASA
Spotlight on Lessons Learned: Conduct a Final Mechanical Walkdown Prior to Spacecraft Integration with the Launch Vehicle

Independent mechanical walkdowns of spacecraft are sometimes credited with discovering discrepancies that could have interfered with mission success.

Read More
The Surface Water and Ocean Topography (SWOT) satellite, shown here in an artist’s illustration, will make unprecedented measurements of the water in Earth's lakes, rivers, reservoirs, and oceans. Credit: NASA
SWOT Eyes Earth’s Surface Water

Satellite will provide high-definition view of lakes, rivers, and oceans.

Read More
Astronaut F. Story Musgrave, anchored on the end of the Remote Manipulator System (RMS) arm, prepares to be elevated to the top of the towering Hubble Space Telescope (HST) to install protective covers on magnetometers. Astronaut Jeffrey A. Hoffman (bottom of frame) assisted Musgrave with final servicing tasks on the telescope, wrapping up five days of extravehicular activities (EVA). Credit: NASA
This Month in NASA History: STS-61 Saves Hubble

Ambitious mission includes five EVAs, unprecedented rendezvous.

Read More
12 plumes of methane combine for a significant emission near Hazar, Turkmenistan, a port city on the Caspian Sea. NASA’s EMIT mission detected the plumes as part of early testing aboard the International Space Station. Credits: NASA/JPL-Caltech
EMIT Data Points to Large Methane Emissions

Mission to examine impact of dust finds massive gas emissions.

Read More