A catalog of almost 3,000 white dwarfs that exploded as type Ia supernovas after overfeeding on companion stars indicates ...

Researchers have assembled Unite, the largest internally consistent Type Ia supernova Hubble diagram yet, combining 2,884 ...

“Two completely independent measurements have found hints of time variation in dark energy" ...

Add Yahoo as a preferred source to see more of our stories on Google. An illustration shows NASA's Nancy Grace Roman Space Telescope in orbit, released on August 20, 2026. NASA/Handout via REUTERS Aug ...

The universe has been expanding ever since the Big Bang almost 14 billion years ago, and astronomers believe a kind of invisible force called dark energy is making it accelerate faster. If the result ...

A new analysis of more than 1,700 supernovae is questioning whether the universe is really accelerating at all. After accounting for the ages of the stars that produce these explosions, researchers ...

The Dark Energy Spectroscopic Instrument (DESI) collaboration just dropped their first official data release, covering the first 13 months of the instrument’s operation. While many conclusions were ...

An international collaboration of scientists has created the largest 3D map of our universe to date based on the first results from the Dark Energy Spectroscopic Instrument (DESI). It’s an impressive ...

The original version of this story appeared in Quanta Magazine. Physicists have deduced subtle hints that the mysterious “dark” energy that drives the universe to expand faster and faster may be ...

Astronomers use the term dark energy to refer to energy in the universe that is unaccounted for by ordinary matter but necessary to explain cosmology. Astronomy, however, isn't the only field with ...

Physicists propose that a mysterious force known as early dark energy could solve two of the biggest puzzles in cosmology and fill in some major gaps in our understanding of how the early universe ...

Dark energy is a force that makes up almost 70 percent of the known universe and is the driving force behind the expansion of space. We don’t know much about it, especially whether it’s a constant ...