New observations by NASA's Hubble Space Telescope of the glowing gas shroud around an old, dying, sun-like star reveal a new twist.
NASA's Operation IceBridge hosted three science teachers during their recent Arctic field campaign, giving these educators a first-hand polar science experience that they could use to teach and inspire their students.
A new feature of the Landsat Data Continuity Mission will help ensure scientists get a cloud-free view of Earth from space.
The sun emitted a mid-level solar flare, an M7 class, on the morning of May 22, 2013.
NASA and NOAA satellites observed the severe storm system that spawned the Moore, Okla., tornado on May 20, 2013.