Multiple star systems are a staple of science fiction. The heroes stumble across a parched desert searching for some escape…
After the Big Bang there were the first stars. Astronomers think these monsters contained more than 1,000 times the mass…
You're looking at a star forming region known as W3. It's located about 6,000 light-years from Earth in the Perseus…
Dark matter is invisible to all our instruments, but that doesn't mean it isn't there. It does reach out to…
This Hubble photograph shows star cluster Pismis 24, which lies at the heart of emission nebula NGC 6357. The stars…
Astronomers assume that the galaxies we see today are the result of billions of years of evolution. Collision after collision…
A supermassive black hole in a distant galaxy has been caught in the act of consuming a star. In fact,…
Until now, all the molecules discovered in space were either neutral or positive in charge. But astronomers have turned up…
Hubble, Chandra, and Spitzer - NASA's three Great Observatories - teamed up to create this beautiful photograph of supernova remnant…
Type 1a supernovae are used to measure distance in the Universe because they explode with the same brightness, detonating when…