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A tiny but radical twist in the fabric of the cosmos could offer a breakthrough in one of astronomy’s most persistent ...
"What makes Zhúlóng stand out is just how much it resembles the Milky Way—both in shape, size and stellar mass," said the ...
The quasi-periodic eruptions of X-rays from a black hole 300 million light-years away are unlike any researchers have ever ...
The black hole at the heart of galaxy SDSS1335+0728, located 300 million light-years away, was quiet for decades as it ...
Astronomers may have found the long-missing half of the universe's regular matter—and it appears to have been right under our ...
Researchers have spent the past few years watching a black hole re-awaken roughly 300 million light-years away from Earth. And what they’ve documented challenges prevailing theories about black hole ...