1–20 of 249 results
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

Exoplanets

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

Galaxies

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

Astronomy in Space with David Dickinson

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

Galaxies

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.

a glowing orb with smaller dots of lights in various colors in it and around it against a black background

Galaxies

A Cosmic Collision Could Have Made Two Dark Matter–Less Galaxies

Astronomers connect the dots between two strange doppelganger galaxies, uncovering what might be a string of galactic pearls created in a cosmic collision 8 billion years ago.

Hickson Compact Group 40

Spacecraft and Space Missions

Happy Birthday, Hubble!

The Hubble Space Telescope turns 32 on April 24th, and the team behind the telescope is marking the occasion with the release of a galactic family picture.

AGN (art)

Galaxies

Hubble Image Reveals Possible Quasar Forerunner

A distant object in a deep Hubble Space Telescope field could be in transition from ordinary galaxy to brilliant beacon of light.

Image of most distant galaxy candidate

Galaxies

Are These the Most Distant Galaxies Yet Seen?

Two fuzzy red objects in the early universe may be galaxies shining at us from only a few hundred million years after the Big Bang.

Lensing close-up

Galaxies

Meet Earendel, the Most Distant Star Astronomers Have Observed

The Hubble Space Telescope has revealed a single star whose light has traveled for 12.9 billion years to Earth — the most distant star known.

Odd Radio Circle (ORC) 1

Galaxies

New Image Reveals Possible Origins of “Odd Radio Circles”

This faint ring of radio emission might signal a momentous event in galactic evolution. Then again, it might be something else entirely.

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