In this 1945 photo, test pilots (from left) Mel Gough, Herb Hoover, Jack Reeder, Steve Cavallo and Bill Gray stand…
The sun emitted a mid-level solar flare, an M8.2-class, peaking at 8:35 p.m. EST on March 2, 2015.
On Sunday, March 1, Expedition 42 Flight Engineer Terry Virts and Commander Barry “Butch” Wilmore ventured outside the International Space…
General Atomics’ Altus vehicle was used to verify technologies that will lead to a long-duration (12 to 72 hours), high-altitude…
Graphic of NASA’s Heliphysics System Observatory, or HSO, spacecraft.
This artist’s concept shows NASA’s Dawn spacecraft arriving at the dwarf planet Ceres.
This artist’s concept shows NASA’s Dawn spacecraft arriving at the dwarf planet Ceres (lower right). Dawn
The surface of Ceres is covered with craters of many shapes and sizes, as seen in this new animation of…
The surface of Ceres is covered with craters of many shapes and sizes, as seen in this mosaic of the…
Some might see a pancake, and others a sand dollar, in this new image from NASA’s Dawn mission.
