Cosmology | Page 5 of 25 | Astronomy.com

Astronomy covers 50 years of space science

Hubble Space Telescope deep field of galaxies

Is the universe twice as old as we thought?

Cosmology, Space Exploration

Why the 1970s spawned our obsession with space

Cosmology, Stars

Astronomers spot multiple images of a distant supernova

Artist's concept of Euclid spacecraft with Earth

Cosmology, Robotic Spaceflight

Euclid set to blast off to unravel the mystery of dark energy

A field of bright galaxies against a black background. Some forming a central cluster and others are distorted, appearing to wrap around the cluster.

Cosmology, Science

The distance scale of the cosmos: This Week in Astronomy with Dave Eicher

Cosmology, Science

What’s the fate of the universe? This Week in Astronomy with Dave Eicher

Einstein ring taken by Hubble Space Telescope

Cosmology, Science

‘Einstein rings’ around distant galaxies inch us closer to solving dark matter debate

Cosmology, Exotic Objects, Science

Ask Astro: Why do colliding supermassive black holes give off low-frequency gravitational waves?

Did the Big Bang really happen? This Week in Astronomy with Dave Eicher

JWST images of six candidate massive galaxies, seen 500 million to 800 million years after the Big Bang. Credit: NASA/ESA/CSA/I. Labbe

Cosmology, Galaxies

‘We just discovered the impossible’: Giant young galaxies shake up our understanding of the early universe

The largest structures in the universe are still glowing from their creation