SUNSET: 
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.
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 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).
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…
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.
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.
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.
Dead Stars Come to Life This Halloween
The ghostly lights from two dead stars have stories to tell.
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.
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.
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 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.
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.
Peculiar Pulsar Throws “Cosmic Cannonballs”
Astronomers think a city-size star that’s spinning faster than a kitchen blender is shooting out plasma torpedoes.
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.
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.
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.
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.
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.
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.
