On August 1, 2010, almost the entire Earth-facing side of the sun erupted in activity from a C3-class solar flare, a solar tsunami, large-scale shaking of the solar corona, radio bursts, a coronal mass ejection, and more. This extreme ultraviolet snapshot from the Solar Dynamics Observatory (SDO) shows the sun’s northern hemisphere in mid-eruption. Different […]
By Andrew Cheng NEAR was the Near-Earth Asteroid Rendezvous, the first launch in NASA’s Discovery Program—and the first dedicated asteroid mission. The plan was to insert the vehicle into orbit around Eros, one of the larger near-Earth asteroids. Not everything went according to plan.
By Vania Neves We make many decisions every day. Should we wait patiently for the green light to cross the street or risk an accident? Should we buy something we want or save money for the future?
By Glen A. Robertson One hundred years from now there will exist technologies that today’s science fiction writers have yet to dream of. Many of these technologies will come from theories, ideas, and concepts that are laughable today.