SUNSET: 
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?
Webb Telescope Confirms Earth-size Exoplanet, Tries to Sniff Its Air
The James Webb Space Telescope has confirmed its first exoplanet, a rocky Earth-size planet, and attempted to take the measure of its atmosphere.
A 3D Magnetic Map of the Local Bubble
Astronomers have mapped the magnetic field along the "bubble" of gas 1,000 light-years wide around the Sun.
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.
The Top 10 Astronomy News Stories of 2022
The James Webb Space Telescope leads our list of the top news stories of the year. See what else made the Top 10!
Deep Dive Off the Cosmic Cliffs
The James Webb Space Telescope's early-release image of the Cosmic Cliffs is revealing growth spurts in young stars.
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.
Listen to a Martian Dust Devil
The Perseverance rover on Mars has recorded a dust devil using its microphone, providing unprecedented data about these whirlwinds.
Gamma-ray Burst Surprise
Gamma-ray bursts are generally thought to come in two flavors — supernovae or neutron star mergers. But discoveries are blurring that line.
New Images Track Clouds on Saturn's Largest Moon
Brand-new images from the James Webb Space Telescope and the Keck Observatory in Hawai'i reveal clouds beneath the haze on this enshrouded moon.
X-rays Offer View Inside the Black Hole-Powered Plasma Guns
Polarized X-rays are helping astronomers take a closer look at blazars’ “plasma guns,” the particle jets powered by supermassive black holes.
Webb Telescope Reveals Starbirth in a Riot of Colors
A riot of colors in this James Webb Space Telescope infrared image show the warm glow of a feeding infant star, representing a look back in time at a star very like the Sun.
Hubble Spies Supernova in Early Universe
Archival Hubble Space Telescope images taken more than a decade ago have revealed an ancient star in the act of exploding.
Lightest Neutron Star Ever? Maybe, Maybe Not
A team of astronomers claims to have measured the lightest neutron star, but others say extraordinary claims require extraordinary evidence.
National Science Foundation Will Not Rebuild Arecibo
While the NSF plans to establish an educational center at the Arecibo Observatory, the institution has stated it will not fund science there.
Winking Stars Help Map Asteroids — and Discover a New Moonlet
An innovative method enables astronomers to gauge the size and shape of a distant asteroid — and potentially any km-scale object in the solar system.
Dance of Giant Stars Creates Ripples of Dust
Every time two giant stars swing around each other, they enrich the cosmos with complex organic molecules.
Watch "Astronomy's Workhorse" in Action
Fly through Sloan Digital Sky Survey data, watch what the team has to do to produce these observations, and see an artistic interpretation of the process and science.
Neptune's Rings, Jupiter's “Frosted Cupcakes,” and 3D Views of Mars
Three solar system emissaries have returned beautiful and even interactive vistas of Neptune, Jupiter, and Mars.
Webb's Exoplanet Data Are Almost Too Good
A new study urges caution in interpreting the chemical fingerprints that Webb is collecting of alien worlds.