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A small sliver of the Cygnus Loop reveals new details about the iconic nebula. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. It is a remarkable ...

Some of the most dramatic events in the universe are the deaths of massive stars. When stars far larger than our sun run out of fuel and explode in huge supernovas, these events not only let out huge ...

Though a doomed star exploded some 20,000 years ago, its tattered remnants continue racing into space at breakneck speeds – and NASA’s Hubble Space Telescope has caught the action. The nebula, called ...

A sounding rocket toting a special imaging and spectroscopy instrument will take a brief trip to space Sunday night to try and capture as much data as it can on a long-admired supernova remnant in the ...