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Accidental discovery reveals ‘millinovas’ a new class of cosmic explosion 100 times brighter than the sun

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Superman isn’t the only one with X-ray vision. Plenty of exploding stars are also adept at blasting outbursts of this high-energy light. Now, thanks to a chance discovery, scientists are aware of an entirely new explosive stellar source of X-ray radiation. These outbursts’ light output didn’t resemble any previous cosmic explosion. Meet the “millinovas,” a … Read more

What time is NASA’s Parker Solar Probe closest sun flyby ever on Christmas Eve?

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A NASA spacecraft is about to give astronomers an epic early Christmas present with the closest ever flyby of the sun on Dec. 24, but if you’re wondering exactly when the ambitious solar encounter will occur, don’t worry. We’ve got you covered. The NASA spacecraft, called the Parker Solar Probe, is on course for what … Read more