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Magnetar getting ready to launch an FRB

Stellar Science

Neutron Star "Glitches" Are Clue to Mysterious Radio Bursts

New observations of a neutron star in the Milky Way's center shed light on what makes mysterious fast radio bursts.

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.

Mimas appears like the Death Star

Solar System

Does Saturn's "Death Star" Moon Harbor an Ocean?

New evidence, based off of NASA's Cassini measurements of Mimas's orbit, suggests the icy "Death Star" moon might have a subsurface ocean.

a blue arc on top looms over an active, lumpy-looking star

Exoplanets

Hubble Reveals Possible Water-Vapor World

New Hubble Space Telescope observations reveal the warm sub-Neptune GJ 9827d might have a steamy atmosphere.

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.

Exoplanets

Did Webb Detect an Atmosphere on Hot Super-Earth 55 Cancri e?

New Webb data suggests that the hot super-Earth 55 Cancri e has a thick atmosphere, perhaps maintained by the planet's magma ocean.

a blue orb with a red ring at its top on a black background

Exoplanets

Unexplained Auroras Found on a Lonely Brown Dwarf

James Webb Space Telescope observations of a faint, giant world have revealed the signature of aurorae — even though the world has no star.

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).

Jupiter, Saturn, Uranus, Neptune in near-infrared

Solar System

The Webb Telescope's Grand Tour of the Solar System

The James Webb Space Telescope has revealed galaxies in the early universe, hidden star formation, and sniffed the atmospheres of exoplanets. But it's also exploring closer to home, imaging each of the giant planets in detail. The telescope can see aspects of the planets' compositions in ways that passing satellites…

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.

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

Astronomy and Society

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.

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