Astronomers used fast radio bursts for the first time to measure the Hubble constant in hopes of ending the debate on the universe’s expansion rate.
Albert Einstein’s theory of general relativity foretold space-bending beasts, cosmic shock waves and mysterious forces.
Cosmologists have found one more way to be confused by dark matter.
A measurement of 21 million galaxies finds a level of clumpiness that disagrees with estimates based on the oldest light in the universe.
As Katie Mack explains in The End of Everything, the universe’s demise could be disastrously violent or deadly calm.
The Atacama Cosmology Telescope finds the universe is expanding more slowly than supernova observations suggest.
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.
Astronomers have used fast radio bursts as cosmic weigh stations to tease out where the universe’s “missing matter” resides.
Some stars may shine less brightly after ingesting a planet. That finding, if confirmed, could have implications for calculating cosmic distances.
Tapping a similarity between a slime mold’s lacy web and the vast threads of matter that connect galaxies, astronomers visualized the cosmic web.