More than fifty years ago, a supernova was discovered in M83, a spiral galaxy about 15 million light years from…
On July 28, 2012, the sun emitted a mid-level flare, categorized as an M6.2 flare. The flare is visible here…
This diagram illustrates the differences between orbits of a typical near-Earth asteroid (blue) and a potentially hazardous asteroid, or PHA…
The space shuttle Discovery atop NASA’s modified 747 is captured over the Mojave Desert while being ferried from NASA Dryden…
