galaxies

Latest about galaxies

A galaxy with an exceptionally bright, stretched-out disk of light around it

Bizarre 'relic galaxy' is missing a key component of the universe, and scientists are stumped

By Robert Lea published

A massive galaxy far from Earth seems to be entirely devoid of dark matter, contrary to all accepted cosmological models.

Dark Matter
An illustration of the James Webb Space Telescope

James Webb Space Telescope: Origins, design and mission objectives

By Andrew May last updated

Reference NASA's James Webb Space Telescope has launched and it's the most powerful in history, giving us the deepest ever view into our universe.

Reference
A telescope image of distant galaxies, showing thousands of bright stars and galaxies on a black background. In a zoomed-in box is the pale, faint galaxy detected in this new study.

James Webb Space Telescope finds the faintest galaxy ever detected at the dawn of the universe

By Ben Turner published

The James Webb Space Telescope has discovered the faintest galaxy ever seen, burning away the pitch-black gloom of the early universe 13 billion years ago.

Cosmology
8 Einstein rings in a grid

Dark matter's secret identity could be hiding in distorted 'Einstein rings'

By Harry Baker published

Researchers may be a step closer to identifying dark matter after studying unusual cases of gravitational lensing caused by "dark matter halos" surrounding distant galaxies.

Dark Matter
A sampling of thousands of galaxies of varying ages observed by the James Webb Space Telescope

James Webb telescope discovers the 4 oldest galaxies in the universe, born just 300 million years after the Big Bang

By Briley Lewis published

Astronomers using the James Webb Space Telescope have detected the four oldest galaxies in the known universe, which are forming stars much faster than thought possible.

Cosmology
A side-by-side image of X-ray and optical data showing what appears to be an active black hole hidden at the center of a distant, dusty galaxy

Hundreds of dusty black holes found hiding in plain sight

By Adam Mann published

Astronomers detected 400 previously unknown black holes in a new X-ray survey of dusty galactic centers.

Black Holes
This image — a mosaic of 690 individual frames taken with the Near Infrared Camera (NIRCam) on the James Webb Space Telescope—covers an area of sky about eight times as large as Webb’s First Deep Field Image released on July 12. It’s from a patch of sky near the handle of the Big Dipper.

Webb telescope turns up baffling views of the early universe

By Adam Mann published

New results from the James Webb Space Telescope challenge prevailing models of the early universe.

Space Exploration
Astronomers have created a colorful, wedge-shaped map showing the locations of more than 200,000 galaxies and quasars spanning from the Milky Way all they way to the Big Bang.

New interactive map of the universe is a rainbow-colored slice of cosmic pie

By Harry Baker published

Astronomers have created a colorful interactive map of more than 200,000 galaxies and quasars spanning the lifespan of the cosmos.

Space
Active regions on the Sun combined to look something like a jack-o-lantern’s face on Oct. 8, 2014.

What is the largest known star in the universe? (What about the smallest?)

By Isobel Whitcomb published

The big stars make our sun look puny.

Astronomy
A white swirl of charged gases detach from Comet Leonard's tail in December 2021. This image took top prize in the 2022 Astronomy Photographer of the Year competition.

Blazing comet tail is whipped by solar winds in astonishing astronomy photo

By Stephanie Pappas published

A never-to-be-seen-again view of Comet Leonard took top prize at the Royal Observatory Greenwich's Astronomy Photographer of the Year contest.

Comets
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