According to the equations that govern black holes, the larger one of these cosmic behemoths is the lower its average density – given that the universe contains a lot of relatively empty space, could ...

So much happened in the earliest moments of the universe. Elementary particles appeared, the first nuclei of hydrogen and ...

Researchers have unveiled a new model for the universe’s birth that replaces cosmic inflation with gravitational waves as the ...

A team of astronomers has discovered the largest and most distant water reservoir ever detected in the universe, surrounding ...

IT IS ONE of the biggest mysteries in cosmology—and getting bigger all the time. Ever since Edwin Hubble, an American astronomer, published observations of distant galaxies in 1929, scientists have ...

JWST observations show that early galaxies were chaotic, gas-filled systems rather than stable disks. Researchers from ...

Searching for clues in the Epoch of Reionization, scientists discovered that the universe was quite a bit warmer before the ...

A new project is collecting thousands of messages destined for the cosmos, coinciding with the anniversary of a landmark ...