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white flare of light at left gives rise to spiral jet going off to the right

Stellar Science

Astronomers Find a Brilliant Explosion That Just Keeps On Exploding

A brilliant flash of blue light briefly outshined its host galaxy before fading away — but then it exploded again and again, shedding light on the nature of its source.

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.

A purple skeletal hand reaches for an oval of pumpkin-colored blobs

Stellar Science

Dead Stars Come to Life This Halloween

The ghostly lights from two dead stars have stories to tell.

Io, as imaged by Juno

Solar System

Striking New Views of Jupiter and Its Moon Io

The James Webb Space Telescope and Juno mission turned their eyes to Jupiter and its volcanic moon Io, revealing fine details.

Illustration of Starlink satellites in grid-like orbits over radio receiver array

Science and Space Policy

A New Hope? Taming the Satellite Swarm

Going by the paperwork, 1 million satellites are headed for the skies. The question is, how many of these are real? New policy may help stem the tide.

Terrestrial Synestia (art)

Exoplanets

Two Worlds Have Ended in a Planetary Collision — and a New One Has Begun

A star's sudden brightening and, two years later, its sudden dimming point to a cataclysmic collision between two large worlds.

NASA meatball logo

Astronomy and Society

NASA Finds No Evidence UFOs Are Extraterrestrial, Promises Further Study

An independent study shows how NASA can help understand unidentified anomalous phenomena, more colloquially known as UFOs.

Artist's concept of giant structures made of galaxies

Cosmology

Galaxies Outline Bubble 1 Billion Light-Years Wide in Space

A newfound cosmic alignment of galaxies challenges fundamental ideas about the nature of our universe.

central pulsar encased in disk, pulsar emits narrow jet out of its poles. In background is a larger but less massive companion star

Stellar Science

Peculiar Pulsar Throws “Cosmic Cannonballs”

Astronomers think a city-size star that’s spinning faster than a kitchen blender is shooting out plasma torpedoes.

Magnetic massive star shines blue with dipole field

Stellar Science

Astronomers Find Strange Star Is a Powerful Magnet

Astronomers have found a star that has a magnetic field rivaling the strongest magnet humans have ever built — and it might explain the origin of highly magnetic cinders known as magnetars.

Near-infrared image shows the Ring Nebula in yellow (central area) and purple (outer ring)

Exoplanets

Webb Views the Ring Nebula and Earendel in a New Light

This week, James Webb Space Telescope reveals new details in the Ring Nebula and shows that the most distant known star isn't alone. Meanwhile, patient astronomers have collected 17 years' worth of images of the super-Jupiter Beta Pictoris b.

Explosive forming stars

Stellar Science

Astronomy in Pictures: The Birth of Stars and Planets

Images capture the birth of stars and planets in multiple results from space- and ground-based telescopes.

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.

Image of PDS 70b and a possible Trojan body(ies)

Exoplanets

This Planet Might Have a Sibling Sharing Its Orbit

Astronomers have spotted the first solid evidence for a planetary Trojan body forming in another system outside our own.

Galaxy field containing distant quasar and 10 equally distant galaxies

Black Holes

JWST Turns Its Eye on Supermassive Black Holes and the Galaxies That Host Them

The intrepid infrared explorer is offering astronomers a jump back in time, enabling them to see quasars at earlier times than ever before.

Solar System

Astronomy in Pictures: Saturn and the Milky Way

The James Webb Space Telescope offers a new view of Saturn, while the IceCube Observatory creates a neutrino-painted picture of the Milky Way.

Artist's illo of airless TRAPPIST-1c and red dwarf star host in background

Exoplanets

Exoplanet News: No Air on Venus Twin, Young Jupiter Discovery

Astronomers have discovered Jupiter's younger sibling in a system 88 light-years away. Meanwhile, only 40 light-years away, a Venus-size world turns out to be airless (or nearly so).

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.

The roiling surface of Betelgeuse

Stellar Science

How Soon Will Betelgeuse Blow?

A new study making the rounds predicts that supergiant Betelgeuse will explode as a supernova sooner rather than later, but others are urging caution.

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.

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