11.04.09 - Evidence for a thin veil of carbon has been found on the neutron star in the Cassiopeia A supernova remnant.
10.22.09 - The most distant galaxy cluster yet has been discovered by combining data from NASA's Chandra X-ray Observatory and optical and infrared telescopes.
10.22.09 - The most distant galaxy cluster yet has been discovered -- about 10.2 billion light years away.
08.12.09 - A new study from two of NASA's Great Observatories provides fresh insight into how some stars are born.
07.23.09 - Ten years ago, NASA's Chandra X-ray Observatory was launched aboard the space shuttle Columbia and deployed into orbit.
06.23.09 - The "coming of age" of galaxies and black holes has been pinpointed thanks to new data from Chandra.
05.28.09 - NASA's Chandra X-ray Observatory has found a cosmic "ghost" lurking around a distant supermassive black hole.
04.16.09 - The most crowded collision of galaxy clusters has been identified by three different telescopes.
03.25.09 - Chandra examines black holes that may have a mechanism to control their growth rate.
02.26.09 - Chandra finds that ancient pulsar PSR J0108-1431 still has plenty of energy to spare.
02.10.09 - NASA's Great Observatories are celebrating the International Year of Astronomy.
01.06.09 - Two new efforts have taken a famous supernova remnant from the static to the dynamic.
12.16.08 - Astronomers have clearly seen the effects of dark energy on the most massive collapsed objects in the Universe.
10.30.08 - Scientists hunt for evidence of antimatter -- matter's arch nemesis -- left over from the very early Universe.
09.25.08 - One of the nearest supernovas in the last 25 years has been identified over a decade after it exploded.
08.27.08 - A powerful collision of galaxy clusters is seen by Chandra and Hubble.
07.16.08 - How do you weigh the biggest black holes in the universe? One answer can be found with data from NASA's Chandra X-ray Observatory.
06.18.08 - The biggest black holes may feed just like the smallest ones, according to data from NASA's Chandra X-ray Observatory.
05.14.08 - At a mere 140 years old, supernova remnant G1.9+0.3 is the youngest in the Milky Way galaxy.
04.28.08 - A new study using Chandra X-ray Observatory data shows globular clusters might be surprisingly less mature than previously thought.