SUNSET: 
European Solar Orbiter Takes Closest-ever Images of the Sun
The first images to be released from the European Space Agency’s Sun-imaging spacecraft show intriguing “campfires” that could help explain a solar mystery.
New Evidence for Nanoflares?
Astronomers have spotted weak bursts of low-frequency radio emission coming from all over the Sun.
Three Nearby Exoplanets to Explore
A trio of nearby exoplanets make tempting new targets for next-gen telescopes.
First All-sky Map from eRosita
The first all-sky X-ray map to be released in 30 years reveals new wonders of the hot and energetic universe.
Astronomers Discover a Newborn Magnetar and a New Cosmic Beat
This week, astronomers announce a newborn magnetar and a fast radio burst that's bursting to a beat.
Astronomers Discover Huge Circular Arc Near the Big Dipper
The 30-degree circular arc is likely a shock front expanding from a star that exploded some 100,000 years ago.
The 10 Million-Degree Gas Around the Milky Way
New observations show ultra-hot gas around the Milky Way. Stellar explosions may have driven this gas out of our galaxy.
New Horizons' "Alien View" from the Outer Solar System
NASA's New Horizons mission deep in the Kuiper Belt has measured the parallax to two nearby stars with the help of Earth-based observers.
Galaxies Are Even Bigger Than You Think
Galaxies swim in hot gas that extends much farther out than their stars — and plays an important role in the galaxy's evolution.
Astronomers Witness the Birth of Planets
Two new sets of observations show astronomers what planet formation looks like.
Rotating Disk in Early Universe Explains Galaxy Formation
The discovery of a stably rotating disk galaxy in the early universe is the best indicator yet for how galaxies like the Milky Way formed.
Black Hole Duo Flares Right on Time
Astronomers have forecast a flare from a supermassive black hole duo 3.5 billion light-years away.
Milky Way Magnetar Makes Fast Radio Burst
Fast radio bursts are mysterious — and powerful — flashes of radio waves. Now, we've found one of these flashes coming from a magnetar in our own galaxy.
Details of SpaceX's Starlink "VisorSat" Revealed
SpaceX has revealed new details on its plans to darken the Starlink satellites.
Is the Milky Way Throwing Out Forming Stars?
Some of the scant stars dwelling in the Milky Way's halo may have an unexpected origin: They may come from the galaxy itself.
New, Incredibly Detailed Geologic Map of the Moon
The U.S. Geological Survey (USGS) has released a new 1:5,000,000 map of the Moon that provides a wealth of information about its surface.
Fomalhaut b: Exoplanet or Puff of Dust?
Is Fomalhaut b “the planet that never was”? Astronomers continue to contest the nature of this directly imaged object around a nearby star.
Vast Magnetic "Strings" Puzzle Astronomers
New observations have revealed plasma strung along vast magnetic "strings" crossing hundreds of thousands of light-years.
Starlink and the Astronomers: An Update
As Starlink satellites continue to enter low-Earth orbit — there are 360 of them now — SpaceX is working to mitigate the serious problems they pose for astronomy.
A Mysterious X-ray Signal Has Gone Missing
The absence of a mysterious X-ray signal — which could have provided evidence of dark matter — is causing as much controversy as its detection did.
