It has been a good week for auroras.
Now, as you sip your
NASA's Mars Atmosphere and Volatile Evolution (MAVEN) spacecraft is nearing its scheduled Sept. 21 insertion into Martian orbit after a 10-month interplanetary journey.
Galaxies, stars, and a serene reflecting pool combine to create this memorable land and skyscape.
Supernova Remnant Puppis A
The Dawn spacecraft has resumed normal ion thrusting after the thrusting unexpectedly stopped and the spacecraft entered safe mode on September 11.
As the region's summer comes to a close, NASA is hard at work studying how rising temperatures are affecting the Arctic.
When the most massive stars explode as supernovas, they don't fade into the night, but sometimes glow ferociously with high-energy gamma rays.
Spacecraft Rosetta continues to approach, circle, and map Comet Churyumov-Gerasimenko.
You might not guess it, but sunrise was still hours away when
The European Space Agency's Rosetta mission has chosen the primary and backup cometary landing sites for its November landing attempt.