1–20 of 275 results
Spiral galaxy with a bustling core, Webb's view shows orange-bright dust at top left, Hubble's view shows stars at bottom right

Galaxies

Webb Telescope Unveils 19 Galaxies in a New Light

A James Webb Space Telescope survey known as PHANGS has revealed exquisite, just-published details in 19 nearby galaxies.

JWST deep-field image showing many galaxies

Galaxies

The Milky Way Might Have Started Out Shaped Like a Pickle

Faraway dwarf galaxies in the universe's distant past — which will become modern Milky Ways — have an unexpectedly stretched-out appearance.

a fuzzy orb with rainbow stripes of red, yellow, green, and blue, against a dark background with white dots

Galaxies

Astronomers Discover “Invisible” Galaxy

A radio survey has serendipitously uncovered a galaxy with no visible stars.

Odd Radio Circle (ORC) 1

Galaxies

Odd Radio Circles: The Remnants of Furious Galactic Winds

New evidence suggests extreme starbursts and furious galactic winds are at the heart of odd radio circles (ORCs).

a light colored shape with veins running through it against a background of stars

Galaxies

JWST Reveals Distant “Galaxy” Is Six-way Galactic Crash

Peering deep into the past, the James Webb Space Telescope’s keen detectors are revealing unprecedented details of some of the oldest structures in the universe.

Photo of Large Magellanic Cloud shows a fuzzy barred center with fuzzy shells on the left and right

Galaxies

Astronomers Find 100,000-light-year Bow Shock in the Milky Way’s Outskirts

New simulations showed astronomers where to look for evidence of a dwarf galaxy's bow shock as it crashes through the Milky Way's halo.

Milky Way halo pictured as football shaped

Cosmology

Dark Halos and Warped Disks

Galaxies are embedded within halos of dark matter, and the tilt of those halos can affect the galaxy's stellar halo and stellar disk.

Galaxy cluster

Galaxies

Webb, Hubble Telescopes Team Up to Create "Most Colorful View of the Universe"

The Hubble and Webb Space Telescopes have revealed a bounty of galaxies in a pair of colliding clusters, capturing twinkling lights within.

Horsehead Nebula

Space Missions

New Cosmology Probe Presents First, Stunning Images

The Horsehead Nebula and other stunning scenes highlight the talents of the just-launched Euclid mission. The telescope will reach into the depths of the cosmos to understand dark matter and dark energy.

composite showing an ultra-diffuse galaxy in color surrounded by background shown in black and white

Cosmology

Ghost-like Galaxy Defies Dark Matter Model

Astronomers have discovered a large but very dim ghost-like galaxy. Its existence challenges our notions of dark matter.

Jellyfish galaxy

Galaxies

Kite-like Galaxy Trails a Million-light-year String of Gas and Star-forming Knots

A galaxy 600 million light-years away appears to be trailing gas in a string 1.2 million light-years long, but explaining its origins presents a challenge.

Nova Persei expansion

Explore the Night with Bob King

Time-lapse Animations Reveal a Universe in Transformation

Deep-sky objects may appear static throughout our lifetime but by carefully "blinking" archival and current images we can discern real changes in their appearance.

Captured globulars

Explore the Night with Bob King

See Summer's Best “Gobbled” Globulars

Mergers between the Milky Way and long-ago dwarf galaxies have enriched our skies with dozens of iconic globular clusters. Many are visible in small telescopes.

Field of galaxies with spiky

Galaxies

Webb Telescope Tracks Universe's First Light

New results from the James Webb Space Telescope find that radiation from ordinary galaxies cleared the primordial haze left over from the Big Bang, allowing the first light to shine through the early universe.

Artist's impression of AGN

Galaxies

Even Lonely Black Holes Need to Eat

Astronomers have found supermassive black holes in smaller galaxies are actually more likely to light up when they’re isolated in vast, cosmic voids.

OJ 287 binary black hole

Black Holes

Signal Found from Supermassive Duo's Second Black Hole

Astronomers have long suspected that a distant quasar harbors not one but two supermassive black holes. They've now detected OJ 287's second black hole.

Galaxies spot a black field

Galaxies

James Webb Space Telescope Uncovers Hundreds of Galaxies in Early Universe

In the JWST version of the Hubble Deep Field, astronomers are discovering what galactic life was like in the earliest years of the universe.

Disk galaxy that's brighter at its rim

Galaxies

Red Galaxies at Night, Astronomers' Delight: A Look at the “Hubble-Dark” Universe

JWST images of early galaxies have turned up a population of flat, red disks that may have been entirely missed by previous surveys.

Galaxies

“Rogue Black Hole” Could Be Something Much Simpler

An unusual streak of stars thought to have formed in the wake of a wandering supermassive black hole might just be a spiral galaxy seen edge-on.

Faint, fuzzy dots among galaxies speckled on a black field

Galaxies

The James Webb Space Telescope May Have Spotted a Baby Galaxy Merger

New JWST images reveal that one of the most distant objects ever observed is actually two baby galaxies on a possible collision course.

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