Christopher Nolan, the writer and director of Memento, Inception, and the most recent Batman films, is taking up space on…
When it's a brown dwarf -- but where do we draw the line? Often called "failed stars," brown dwarfs are…
It's been known since 2005 that Saturn's 300-mile-wide moon Enceladus has geysers spewing ice and dust out into orbit from…
Aww, how cute! What an adorable little... nebula? Although here it may look like it could fit in your hand,…
Comet ISON may be no more than just a cloud of icy debris these days but there's another comet that's…
It's actually remarkably beautiful, and well worth two minutes of your time.* Assembled from actual photographs taken by astronauts aboard…
Earlier today the near-Earth asteroid 2013 NJ sailed by, coming as close as 2.5 lunar distances -- about 960,000 km/596,500…
As comets ISON and Encke continue toward their respective rendezvous with the Sun, they have now both been captured on…
An enormous and incredibly luminous distant galaxy has turned out to actually be three galaxies in the process of merging…
Two comets currently on their way toward the Sun have been captured on camera from the innermost planet. The MESSENGER…