A team of astronomers has spent over a decade tracing meteorite impacts on Earth back to their original sources in the ...

DESI's first dataset maps 18.7 million celestial objects, aiding dark energy, galaxy, and universe expansion studies.

New insights from the Atacama Cosmology Telescope offer unprecedented images of the universe at 380,000 years old, revealing ...

Up for a challenge? If skies are clear, you may be able to complete a rare feat of visual athletics this coming weekend, and ...

University of Arizona researchers are among a group of scientists who hope to discover what happened immediately after the Big Bang, when the universe expanded in a fraction of a ...

New results from the Dark Energy Spectroscopic Instrument (DESI) suggest that the unknown force accelerating the expansion of ...

The largest-ever three-dimensional map of the cosmos, plotting out some 15 million celestial objects, could help reveal the ultimate fate of the universe. Astrophysicists know that the universe is ...

The DESI experiment shocked cosmologists with a hint that dark energy varies over time. Now, with more data, the conclusions hold up.

New data further challenge the best scientific theory of the history and the structure of the universe. But a separate recent ...

The standard model of how the universe works involves the widely accepted theory that dark energy is a fundamental constant ...

Findings from the Dark Energy Spectroscopic Instrument (DESI) suggest that dark energy could be evolving over time. If ...

On May 19, 2022, two astrophotographers set up near the sacred lake of Pumoyongcuo on the southern Tibetan Plateau captured a ...