Astronomers know that the universe is being pushed apart at an accelerating rate and they have puzzled for decades over what ...

Using data from the Dark Energy Spectroscopic Instrument (DESI), astronomers have completed the most precise gravity test ...

The Dark Energy Spectroscopic Instrument (DESI) is a cutting-edge telescope that captures the light from millions of galaxies ...

Scientists using the DESI instrument have traced the cosmos' structure over the past 11 billion years, confirming Einstein's ...

Gravity has shaped our cosmos. Its attractive influence turned tiny differences in the amount of matter present in the early ...

The largest survey of our universe ever conducted suggests that it closely matches the model most favored by cosmologists. It ...

Scientists working in an international collaboration have tracked how the structure of the cosmos has grown over the past 11 ...

But there had not been such a test at the level of the largest distances in the universe until now, says Mustapha ...

Its pull transformed small differences in the amount of matter present in the early universe into the sprawling galaxy ...

A team of astronomers has identified a double gravitational lens system with an extraordinary “zig-zag” light path, rewriting ...

New observations suggest that the universe’s oldest galaxies are brighter than expected. Here's why this may be a big deal.