Comet of the Century
April 29, 2013 | Hubble Site
"Comet ISON is potentially the "comet of the century" because around the time the comet makes its closest approach to the Sun, on November 28, it may briefly become brighter than the full Moon." Quoted from the NASA press release.
Light from the Big Bang
March 26, 2013 |
"Animation depicting the 'life' of a photon as it travels across space and time, from the very early universe to the Planck satellite." Quote from the NASA/JPL video release.
Potential Satellite Collision
May 5, 2013 | NASA
"NASA scientists don't often learn that their spacecraft is at risk of crashing into another satellite. But when Julie McEnery, the project scientist for NASA's Fermi Gamma-ray Space Telescope, checked her email on March 29, 2012, she found herself facing this precise situation." Quoted from the NASA video release.