Magnetars are among the rarest—and weirdest—denizens of the galactic zoo. They have powerful magnetic fields and may be the ...

This gas needs an enormous amount of energy to shine — more than normal stars can supply. The discovery, based on data from ...

Using the Hubble Space Telescope and an array of other instruments, astronomers have probed supernova wreckage in the Large Magellanic Cloud, the galaxy next door.