For nearly a century, astronomers have known that the universe is expanding. In the late 1990s, two independent teams, the ...

Dark energy makes up roughly 70% of the universe, yet we know nothing about it. Around 25% of the universe is the equally mysterious dark matter, leaving just 5% for everything that we can see and ...

The Hobby-Eberly Telescope Dark Energy Experiment (HETDEX) is looking to create one of the largest maps of the universe by creating a catalog of Lyman-alpha-emitting galaxies. These galaxies, which ...

This dark energy project was meant to map just a portion of the skies over a five-year period, but it performed even better ...

The expansion of the universe is still accelerating under the influence of dark energy, despite recent claims to the contrary.

The Dark Energy Survey Collaboration collected information on hundreds of millions of galaxies across the universe using the U.S. Department of Energy-fabricated Dark Energy Camera, mounted on the U.S ...

Dark energy is one of the most mysterious features of our universe – we don’t know what it is, but it controls how the universe is expanding, as well as its ultimate fate. Now, a study of millions of ...

Scientists could be wrong about dark energy. But they’re right about gravity, a new study suggests. Dark energy, the mysterious phenomenon that causes the expansion of the cosmos to accelerate, is ...

New DESI-inspired research suggests dark energy may evolve over time and cross the mysterious "phantom divide," potentially reshaping our understanding of the universe.

In 2024 a shockwave rippled through the astronomical world, shaking it to the core. The disturbance didn’t come from some astral disaster at the solar system’s doorstep, however. Rather it arrived via ...