SANTA CRUZ, CA–A supernova observed last year was so bright–about 100 times as luminous as a typical supernova–that it challenged the theoretical understanding of what causes supernovae. But Stan ...

That the universe is expanding has been known for almost a hundred years now, but how fast? The exact rate of that expansion ...

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Stars are born, live and die in spectacular ways, with their deaths marked by one of the biggest known explosions in the universe. Like a campfire needs wood to keep burning, a star relies on nuclear ...

M101 is a spiral galaxy of type Sc (non-compact spiral) in the constellation of the major ura. It is estimated to be virtually double the size of our Milky Way. The distance that separates the ...

Supernova, A supergiant that collapses onto itself and explodes with such force that it releases more energy than millions of suns. (Photo by: QAI Publishing/Universal Images Group via Getty Images) ...

NASA announced that a nearby star has exploded, and telescopes worldwide will be turning in its direction to witness the celestial display. And if you want to check it out for yourself, you’re in luck ...