The most recent measurement of a nearby galaxy cluster is deepening a disagreement about how fast the universe is expanding — ...

When cosmologists used different ways to measure the value of sigma 8, a number that denotes how clumpy the universe is, they ...

Using the Spektr-RG (SRG) space observatory, astronomers from the Russian Academy of Sciences have inspected a radio-loud ...

By mapping the brightest explosions in the universe, scientists may have uncovered a megastructure that defies our understanding of how the cosmos is built.

If dark energy is weakening, as suggested by recent results, then the cosmos is far stranger than most physicists had ...

The latest study from the Dark Energy Spectroscopic Instrument (DESI) suggests that dark energy might not be constant. If ...

Using data from space telescopes and other instruments, astronomers, cosmologists, and astrophysicists are able to deduce and ...

NASA has discovered the ten oldest galaxies. These galaxies offer a glimpse into the early universe. GN-z11 is the oldest, ...