Engineers Clean Mirror with Carbon Dioxide Snow

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

Arianespace’s launcher family keeps up the pace: the fifth Vega takes shape for its flight with Sentinel-2A

The fifth Vega launcher continues its integration process in French Guiana for a mission this summer…

Arianespace’s launcher family keeps up the pace: the fifth Vega takes shape for its flight with Sentinel-2A

The fifth Vega launcher continues its integration process in French Guiana for a mission this summer…

Arianespace’s launcher family keeps up the pace: the fifth Vega takes shape for its flight with Sentinel-2A

The fifth Vega launcher continues its integration process in French Guiana for a mission this summer…

New SBIRS Ground System Moves into Evaluation Phase

SpaceX Demonstrates Astronaut Escape System for Crew Dragon Spacecraft

A loud whoosh, faint smoke trail and billowing parachutes marked a successful demonstration Wednesday by SpaceX…

NASA Test Materials to Fly on Air Force Space Plane

Building on more than a decade of data from International Space Station (ISS) research, NASA is…

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…

NASA’s Chief Technologist Visits Pittsburgh; Available to Media

NASA Chief Technologist David Miller will be in Pittsburgh on Wednesday, May 13, to participate in…

NASA Astronaut Kjell Lindgren Available for Interviews Before Space Station Mission

NASA astronaut Kjell Lindgren, who is making final preparations for his launch this month to the…