You're looking at a star forming region known as W3. It's located about 6,000 light-years from Earth in the Perseus…
Instead of investing in particle accelerators here on Earth, physicists might consider just blowing up a few stars. New images…
The Hubble Space Telescope, the Chandra X-Ray Observatory, and the National Radio Astronomical Observatory teamed up to produce this composite…
In 1054 A.D., Chinese astronomers recorded the temporary brightening of a star in the constellation Taurus. Nearly 1000 years later,…
New images from NASA's Chandra X-Ray Observatory show the environment around the supermassive black hole at the heart of M87,…
This photograph shows a star forming region in NGC 3576, located about 9,000 light years from Earth. The image was…
Ancient Chinese astronomers recorded the occurence of a bright star in the sky in 185 AD; probably a supernova explosion.…
There's more dark matter than regular matter in the Universe, and they're normally all mixed up together in galaxies. But…
Nearly every single astronomical measurement depends on the Hubble constant, a number that calculates the expansion of the Universe. NASA's…
You're looking at the heart of your own galaxy with X-ray specs. This photograph was captured by NASA's Chandra X-Ray…