In April of 2010, NASA's Solar Dynamics Observatory (SDO) released its first images, an event known for any telescope as "first light." Since then SDO has continually observed the ever-changing sun on quiet days and explosive ones: there have been more than 1000 solar outbursts since SDO sent back its first pictures of the sun, […]
These bright stars shining through what looks like a haze in the night sky are part of a young stellar grouping in one of the largest known star formation regions of the Large Magellanic Cloud (LMC), a dwarf satellite galaxy of the Milky Way. The image was captured by the NASA/ESA Hubble Space Telescope's Wide […]
MADISON – The oceans teemed with life 600 million years ago, but the simple, soft-bodied creatures would have been hardly recognizable as the ancestors of nearly all animals on Earth today.
A new NASA outreach project will enlist the help of amateur astronomers to discover near-Earth objects (NEOs) and study their characteristics. NEOs are asteroids with orbits that occasionally bring them close to the Earth.