21–40 of 275 results

Cosmology

Distorted Galaxy Hints at the Nature of Dark Matter

Astronomers analyzed the gravitationally lensed image of a distant galaxy to test the nature of dark matter.

Black field spotted with galaxies

Cosmology

What the Discovery of Massive Early Galaxies Could Mean for Cosmology

JWST's detection of early galaxies that are far more massive than astronomers had expected could mean we need to rewrite our understanding of the cosmos.

3C 297

Galaxies

This Galaxy Is Powerful, But Lonely Too

A large elliptical galaxy spewing a black hole–powered jet might have eaten its neighbors, leaving it on its own.

Infrared view of delicate spiral galaxy IC 5332

Galaxies

Generations of Stars Shape Their Galaxies, Webb Images Reveal

James Webb Space Telescope images reveal an intricate network in nearby galaxies, influenced by generations of star formation.

Black field dotted with galaxies

Galaxies

“The Sparkler” Might be Our Milky Way’s Long-Lost Twin

Astronomers are using compact groups of stars to probe the history of a galaxy in the adolescent universe dubbed "The Sparkler."

Donatiello II appears as a smattering of stars on a black field dotted with background galaxis

Galaxies

Italian Amateur Astronomer Discovers Dwarf Galaxies

Three dwarf galaxies around the Sculptor Galaxy have come to light thanks to the work of an amateur astronomer.

Zoom ins on massive galaxy cluster show tiny red dots, distant galaxies that resemble nearby

Galaxies

New Observations Reveal Galaxies Near and Far

Astronomers at this month's big winter conference explored intriguing small galaxies at various points in cosmic history.

Intracluster light with Hubble

Galaxies

Hubble and Webb Image Galaxies’ Lost Stars

Deep images of galaxy clusters reveals the light of wandering stars. What set these stars free from their hosts?

Green arc floats above the Andromeda Galaxy

Milky Way

Amateur Astronomers Find Glowing Gas Arc Near Andromeda

An arc that glows green thanks to doubly ionized oxygen appears near the Andromeda Galaxy in a photo obtained by amateur astronomers.

swirl with many arms

Galaxies

Familiar Fluffy Triangulum Galaxy Has Hidden, Two-Armed Pattern

Astronomers have discovered that one of the Milky Way’s nearest galactic neighbors has dramatically changed its looks in the recent past.

Cosmology

The James Webb Space Telescope Is Finding Too Many Early Galaxies

Images and spectra from the James Webb Space Telescope suggest that the first galaxies in the universe are too many or too bright compared to what astronomers expected.

Image of north ecliptic pole shows black field dotted with distant galaxies, spiral and elliptical

Galaxies

Webb Telescope Sees Deep and Wide into the Universe

A new deep field from the James Webb Space Telescope shows how galaxies evolved in the early universe.

Black field spotted with galaxies marks the JADES field

Galaxies

Webb's Galactic Distance Record Is Now Official

Spectroscopic measurements confirm Webb's distance record, with images revealing galaxies that existed just 330 million years after the Big Bang.

Galaxies

Squid Galaxy Gets in on the Neutrino Game

Astronomers have connected dozens of neutrinos detected by the IceCube Observatory to a nearby galaxy, M77, aka the Squid Galaxy.

NGC 628 looks like a giant blue-gold maelstrom with a blue middle

Solar System

Webb Reveals Jupiter, Puffy Planet, and Galactic Maelstroms in a New Light

Round out your week with these stunning views of the universe from the James Webb Space telescope.

JWST deep-field image showing many galaxies

Cosmology

Webb Telescope Shatters Distance Records, Challenges Astronomers

Distant galaxies in Webb images suggest we need to rethink star and galaxy evolution in the early universe.

NGC 7496 spiral galaxy seen in visible and infrared wavelengths

Galaxies

Thin Red Lines: Webb Space Telescope Captures Star Creation on Grand Scale

New imagery from the James Webb Space Telescope shows a nearby galaxy in a whole new light.

Carina Nebula

Exoplanets

What We See in the First Science Images from the James Webb Space Telescope

The James Webb Space Telescope released its first science images today. Here's what these images show us.

Webb's first deep field

Professional Telescopes

What the James Webb Space Telescope's First Year Will Reveal

The James Webb Space Telescope's first year of observations promises to reveal exoplanet atmospheres and surfaces, infant galaxies, and maybe even the first black holes.

M94

Galaxies

Life and Death in Nearby Galaxies

New images of nearby galaxies and their surroundings reveal details in galactic formation and evolution — and puzzles that remain to be solved.