Space
Cosmic filaments may be the biggest spinning objects in space
Filaments of dark matter and galaxies, which can stretch millions of light-years, might help astronomers figure out the origins of cosmic spin.
Cosmology
More Stories in Cosmology
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CosmologyThe dark matter mystery deepens with the demise of a reported detection
Early results from an experiment designed to replicate one that hinted that dark matter is made up of WIMPs came up empty-handed.
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CosmologyEinstein’s theory of general relativity unveiled a dynamic and bizarre cosmos
Albert Einstein’s theory of general relativity foretold space-bending beasts, cosmic shock waves and mysterious forces.
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SpaceDark matter clumps in galaxy clusters bend light surprisingly well
Cosmologists have found one more way to be confused by dark matter.
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CosmologyScientists can’t agree on how clumpy the universe is
A measurement of 21 million galaxies finds a level of clumpiness that disagrees with estimates based on the oldest light in the universe.
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Cosmology‘The End of Everything’ explores the ways the universe could perish
As Katie Mack explains in The End of Everything, the universe’s demise could be disastrously violent or deadly calm.
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CosmologyDespite a new measurement, the debate over the universe’s expansion rages on
The Atacama Cosmology Telescope finds the universe is expanding more slowly than supernova observations suggest.
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SpaceThis is the most comprehensive X-ray map of the sky ever made
A new X-ray map of the entire sky, using data from the eROSITA telescope’s first full scan, looks deeper into space than any other of its kind.
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SpaceHalf the universe’s ordinary matter was missing — and may have been found
Astronomers have used fast radio bursts as cosmic weigh stations to tease out where the universe’s “missing matter” resides.
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SpaceRed giant stars that eat planets might shine less brightly
Some stars may shine less brightly after ingesting a planet. That finding, if confirmed, could have implications for calculating cosmic distances.