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 ...

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

Distant, ancient galaxies are giving scientists more hints that a mysterious force called dark energy may not be what they thought. The Dark Energy Spectroscopic Instrument uses a telescope to create ...

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 ...

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, ...

This image provided by NSFs NOIRLab shows the trails of stars above Kitt Peak National Observatory, where a telescope is mapping the universe to study a mysterious force called dark energy. (NSFs ...

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 ...

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 ...

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 ...

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 ...

New data from a NASA space telescope hints that scientists may have finally captured the first direct glimpse of the ...