Journey to Space in a Vacuum Chamber

Supporting the testing of electric propulsion and power systems, VF-5 has the highest pumping speed of…

Mount St. Helens at 35

On May 18, 1980, Mount St. Helens gave way to a cataclysmic flank collapse, avalanche, and…

Astronauts at Work on the International Space Station

NASA astronauts Scott Kelly (left) and Terry Virts (right) work on a Carbon Dioxide Removal Assembly…

Green Aviation Project Tests Shape Changing Wing Flaps

A NASA F-15D flies chase for the G-III Adaptive Compliant Trailing Edge (ACTE) project. The ACTE…

May 13, 1992, Record-Setting Spacewalk on Shuttle Endeavour’s First Mission

On May 13, 1992, following the successful capture of the Intelsat VI satellite, three astronauts continue…

Early Morning Sunrise Over the Grand Canyon

From the International Space Station, NASA astronaut Terry Virts took this photograph of an early morning…

Serene Saturn

From a distance Saturn seems to exude an aura of serenity and peace.

Cloudy Earth

Earth’s cloudy nature is unmistakable in this global cloud fraction map, based on data collected by…

Engineers Clean Mirror with Carbon Dioxide Snow

Engineers are using carbon dioxide snow to clean James Webb Space Telescope's mirrors without scratching them.

Solar Dynamics Observatory Sees ‘Cinco de Mayo’ Solar Flare

NASA's Solar Dynamics Observatory, which watches the sun constantly, captured these images of a significant solar…