It’s always amazing, and more than a little humbling, when the universe reminds us that our “common sense” is provincial, ...

Scientists are testing a novel way to measure cosmic expansion using time delays in gravitationally lensed quasars. Their ...

Scientists have observed the largest-known rotating structure in the cosmos - a gargantuan thread-like assemblage of hundreds ...

Green-glowing interstellar comet 3I/ATLAS, heading for its December 19 flyby, is spewing key organic 'ingredients for life' ...

The universe is expanding, but astronomers still cannot agree on exactly how fast. That mismatch, known as the Hubble tension ...

The universe’s expansion rate was supposed to be a solved problem, yet the latest high precision map of the early cosmos has ...

A galactic structure 5.5 million light-years long has been observed rotating around a single axis. An international research ...

A newly-detected spinning galaxy filament is reshaping our understanding of cosmic structure, gas flows, and the origins of ...

There is an important and unresolved tension in cosmology regarding the rate at which the universe is expanding, and ...

New measurements using gravitational lensing suggest the universe’s current expansion rate does not agree with signals from ...

From a particle smasher encircling the moon to an “impossible” laser, five scientists reveal the experiments they would run ...