November 8, 2013 P/2013 P5, with six comet-like jets, was first spotted using the Pan-STARRS 1 telescope in Hawaii, and then seen in more detail by the Hubble Space Telescope.
August 21, 2013 NASA is bringing a retired spacecraft back into service to help search for asteroids that could pose a danger to Earth, the space agency announced on Wednesday.
June 19, 2013 The White House and NASA want the public's help in hunting for asteroids that could potentially smash into Earth. They're also looking for a perfect space rock to capture so that astronauts could go there and study it.
May 31, 2013 The space rock, which is nine times the size of a cruise ship, is dropping by Earth and it's not coming alone. Asteroid 1998 QE2 has already given scientists a surprise: It has its own moon, measured at about 2,000 feet wide.
February 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.
June 12, 2012 The sky is really, really scary. It's full of explosions, collisions and deadly cosmic rays. It's full of good reasons to develop a healthy dose of existential dread, something NYT columnist Maureen Dowd can relate to.