Dec 3, 2013 — Imagine stepping into an elevator and bumping into your greatest hero. What would you say? Commentator Adam Frank had this happen with one of the 20th century's greatest astronomers, a seer of sorts.
Aug 22, 2013 — NASA says the small object that was caught on video by a spacecraft called the Solar and Heliospheric Observatory was most likely a member of a sun-grazing group of comets known as the Kreutz family.
Mar 15, 2013 — The comet's now putting on a show in the Northern Hemisphere's night sky. Using its orbiting observatories, NASA captured a stereo view from space that offers a unique perspective.
Feb 19, 2013 — The eye-popping, ear-splitting meteor streaking over Russia last Friday was an invitation to look up more often, to track the shooting stars we might see on any given night. These daily visitors to our planet put cosmic history into context, lighting up a past that is full of debris.
May 16, 2012 — The violent demise of the dinosaurs can teach us a lesson or two about our place in the big scheme of things. Are we the end product of cosmic cataclysms?