One of the least likely places you might think astronomers would learn about ancient supernovae is at the bottom of the ocean but scientists have done just that -- also dredging up a mystery. Continue reading →
The expanding fireball of a nova explosion has been observed in unprecedented detail for the first time.
Approximately 10 million years ago, a nearby cluster of stars erupted as a violent series of supernovae and, according to new observations, the million degree plasma from these powerful detonations surround the solar system today. Continue reading →
Astronomers have spotted the telltale gamma rays from a supernova explosion, revealing its innermost secrets.
Chemical signature of ancient star suggests it incorporated material blasted into space by a supernova explosion from huge star in early universe.
To celebrate 15 years in orbit, NASA has release new, mind-blowing views of the Chandra X-ray observatory's most famous supernova remnants.
The supernova mechanism behind cosmic dust formation has been a mystery, but now astronomers have the answer. Continue reading →
A hotspot of powerful, ultrahigh-energy particles streams toward Earth from beneath the handle of the Big Dipper constellation. This collection of cosmic rays may help scientists nail down the origin point of the powerful particles, a century-old mystery.
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