It drives the movements of stars and galaxies, but dark matter is invisible. While it remains a colossal mystery, a study ...

In the vast expanse of the universe, galaxies form at the core of dark matter halos—gravitationally bound regions extending ...

A new analysis of astronomical data suggests unknown physics is at work assisting dark energy in acting almost as ...

First discovered in the 1990s, dark energy has come to feel like a familiar face of the cosmos. Astronomers first imagined ...

Euclid has opened a new window to the cosmos with its first deep sky data release, revealing millions of galaxies, ...

Dark Matter Flies Ahead of Normal Matter in Mega Galaxy Cluster Collision July 24, 2024 — Astronomers have untangled a messy collision between two massive clusters of galaxies in which the ...

Euclid is on a quest to unravel one of the universe’s greatest mysteries: why it's expanding faster and faster. With help ...

It's believed to account for roughly 85% of the universe's mass, yet no telescope or sensor on Earth has been able to track ...

There’s more to the universe than meets the eye, he found. His studies led astronomy to the dark side, changing our view of ...

ESA’s Euclid mission mapped 26 million galaxies, revealing galaxy shapes, cosmic structures, and gravitational lenses ...

Euclid was launched atop a Falcon 9 in early July 2023 on a mission to map nearly a third of the sky in incredible detail.

The space telescope's image of a odd-looking spiral galaxy is, in reality, two distant galaxies overlapping each other.