For centuries, Europeans thought that eternal daylight saturated the cosmos. The shift to a dark universe has had a profound ...

R esearchers have calculated one of the most precise estimates for the expansion rate of the universe today, and it turns out ...

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

Scientists have many big questions to tackle about the universe, including how big it actually is. But even the proposed answers aren't straightforward.

"Although there have been multiple efforts to understand the nature of dark energy, its composition, and its manifestation in the universe," one expert says, "we know embarrassingly little about it." ...

NASA has finished building the Nancy Grace Roman Space Telescope, completing assembly of the agency’s next flagship ...

When the James Webb Space Telescope (JWST)—the long-awaited successor to the Hubble Space Telescope—becomes operational in 2022, one of its first orders of business will be mapping the earliest ...

In the name of open science, the multinational scientific collaboration COSMOS has released the data behind the largest map of the universe. Called the COSMOS-Web field, the project, with data ...

Scientists have used supercomputers to create a "synthetic universe" that will help predict what the next generation of super-telescopes will see upon opening their eyes to the cosmos. These ...

An immensely powerful flash detected earlier this year was created by a massive star exploding when the universe was just ...

A spacecraft that’s exploring the dark universe has released its first full-colour images of the cosmos. Named Euclid after the ancient Greek “father of geometry,” the satellite was developed by the ...

COSMOS-Web was the largest General Observer program selected by the James Webb Space Telescope for Cycle 1. The team, led by RIT Associate Professor Jeyhan Kartaltepe, has publicly released its full ...