Astronomers watched a massive star in the Andromeda Galaxy vanish over a decade, providing rare evidence of a "failed supernova" forming a black hole without exploding.
The Hubble Space Telescope has been used to determine the mass of white dwarf star LAWD 37. It is "56 percent the mass of our ...
It's well established that the universe is expanding, but there's serious disagreement among scientists over how fast it's ...
Scientists say the twin beams of light are moving polar lobes pushing through older rings of material sculpted into webs of ...
In the nearby Andromeda Galaxy, a massive star bright enough to stand out for years has gone dark. Not in a blaze of glory.
The James Webb Space Telescope and the Chandra X-ray Observatory have captured the clearest image yet of a galaxy cluster in the making, seen when the universe was only one billion years old.
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