“Mini Supernova” Explosion Could Have Big Impact

Using NASA’s Chandra X-ray Observatory, astronomers have studied one particular explosion that may provide clues to…

NASA’s MMS Spacecraft Launches on an Atlas V Rocket

The United Launch Alliance Atlas V rocket with NASA’s Magnetospheric Multiscale (MMS) spacecraft onboard launches from…

Expedition 42 Soyuz Landing

The Soyuz TMA-14M spacecraft is seen as it lands with Expedition 42 commander Barry Wilmore of…

Expedition 42 Soyuz Landing

The Soyuz TMA-14M spacecraft is seen as it lands with Expedition 42 commander Barry Wilmore of…

Expedition 42 Returns to Earth

The Soyuz TMA-14M spacecraft is seen as it lands with International Space Station Expedition 42 commander…

Test Firing of Booster for NASA’s New Rocket

The largest, most powerful rocket booster ever built successfully fired up Wednesday for a major-milestone ground…

Preparing to Test the Booster for NASA’s New Rocket

Engineers at Orbital ATK prepare to test the largest, most powerful booster ever built for NASA's…

Taking a Closer Look at Orion After Successful Flight Test

Engineers across the country have been busy taking a closer look at NASA'S Orion spacecraft and…

Ceres Seen From NASA’s Dawn Spacecraft

This image of Ceres was taken by NASA's Dawn spacecraft on March 1; on March 6,…

Astronaut Scott Kelly Preparing for Launch on One-Year Mission

NASA astronaut Scott Kelly is seen inside a Soyuz simulator at the Gagarin Cosmonaut Training Center…