Newly measured distance to stellar debris in the northern sky links it more firmly to an explosion observers saw in 1181.
After more than four centuries, new clues emerge pointing to the origins of Kepler's 1604 supernova.
After more than four centuries, latest data reveals that original supernova blast was more powerful than thought and took place farther away in space.
NASA's Chandra X-ray telescope has captured a picture of a distorted supernova remnant that may contain the most recently formed black hole in the Milky Way.
Northeast of San Diego, storied Palomar Observatory still beckons scientists with its 200-inch telescope. CNET Road Trip 2012 took a look.
The discovery of a new unusually bright dead star leads astronomers to question assumptions about a type of cosmic radiation -- and pulsars themselves.
All other new iPhones will pale in comparison to the Falcon luxury iPhone 6, a gold-plated beast with a massive rock attached to the back.
Astronomers discover what could be a supernova survivor, a white dwarf star that may have defied a fiery death.
YouTube moviemaker and rapper Scott Winn is at it again, this time taking us on a tour of a Stormtrooper's home, MTV "Cribs" style.
Astronomers use the Very Large Telescope to reveal a space drama involving two unique stars in the Ara constellation.