When you buy through links on our articles, Future and its syndication partners may earn a commission. An artistic celebration of the Dark Energy Spectroscopic ...

Lawrence Berkeley National Lab, or Berkeley Lab, researchers mapped nearly six million galaxies throughout the past 11 billion years of cosmic evolution using the Dark Energy Spectroscopic Instrument, ...

A new study casts doubt on the universe’s accelerating expansion, suggesting dark energy might be weakening over time.

The cosmos might be playing a different game than we thought. Scientists have spent decades believing our universe was ...

The universe's expansion may be accelerating faster than previously thought. Dark energy, a mysterious force, might not be constant but could be changing over time. Multiple independent studies show ...

The Mayall 4-meter Telescope at the Kitt Peak National Observatory houses the DESI instrument. KPNO/NOIRLab/NSF/AURA/P. Marenfeld Gravity pulls us to earth, a lesson ...

Dark energy—the term used to describe whatever is causing the universe to expand at an increasing rate—is one of the universe’s greatest mysteries. The most widely accepted theory currently suggests ...

Distant, ancient galaxies are giving scientists more hints that a mysterious force called dark energy may not be what they thought.See an excerpt of an interview in the video aboveAstronomers know ...

An international consortium of scientists studying dark energy said Tuesday their three-dimensional map of the universe over 11 billion years suggested the cosmos wasn't steadily expanding, but acting ...

Dark energy makes up roughly 70 percent of the universe, yet we know nothing about it. Around 25 percent of the universe is the equally mysterious dark matter, leaving just five percent for everything ...

The U.S. National Science Foundation Nicholas U. Mayall 4-meter Telescope at Kitt Peak National Observatory (KPNO), a Program of NSF NOIRLab, beneath streaking star ...