SUNSET: 
Ring Around the Dust Disk
Dusty disks that encircle young stars sometimes host giant gaps. But a new study shows these gaps aren't necessarily the signature of a nearby planet.
Taming the "Zoo" of Neutron Stars
These stellar corpses have many faces, from pulsars to magnetars. New models provide evidence for unifying these disparate objects under one theory.
Crowded Clusters Host Planets
The discovery of two mini-Neptunes around Sun-like stars in a distinctly un-Sun-like environment reveals that small planets can live in more crowded neighborhoods than we thought.
Now Playing: A Huge Sunspot Group
Cycle 24 hasn't offered much in the way of solar fireworks, but right now a large group of sunspots is front and center on the Sun's disk for your viewing enjoyment.
IRIS Tackles Coronal Mystery
Solar physicists hope NASA’s latest space observatory, the Interface Region Imaging Spectrograph, can finally discover what heats the Sun’s million-degree corona.
Mystery Signals from Space
Four powerful radio bursts have left astronomers scratching their heads. The bursts appear to come from several billion light-years away and could provide a whole new look at the universe — but observers aren't sure what they are.
Introducing Kerberos and Styx
The newest and smallest of Pluto's five moons have names chosen for their connections to the mythic underworld — and for their popularity in a worldwide contest.
Stars Spinning Beats
A phenomenon you usually hear can now be seen in stars' rotation, and it may help untangle the mysteries of their magnetic fields.
Now Playing: Core Collapse in 3D
Scientists have made the most realistic simulations yet of the violent collapse of dying massive stars in three dimensions.
Good-bye to GALEX
On Friday, flight controllers turned off the Galaxy Evolution Explorer, one of NASA's long-lived space observatories.
PayPal Stakes Its Claim in Space Tourism
A few years from now, when you’re floating in a space hotel many miles from Earth, you might want to order some coffee. And PayPal wants to make sure you don’t have to pay in cash.
Sneaky Star Dating
How old are the Sun's stellar neighbors? An inventive approach suggests that the birth rate for the nearest stars has had two peaks instead of one — meaning two distinct generations are mixing in the neighborhood.
Three Habitable Planets? Maybe
Two new studies highlight the growing importance of red dwarfs in the competitive search for alien worlds — and the challenges of characterizing them.
Chelyabinsk Mega-meteor: Status Report
The cosmic intruder that exploded in the sky on February 15th dropped thousands of fragments onto the snow-covered plains of south-central Russia. Here's an update on what's been found.
COROT Mission Ends
After several months of trying to reboot, mission planners for the exoplanet hunter COROT have declared the satellite's failure official.
A Stonehenge Solstice Remembered
What's it like to be standing at the iconic megalithic monument during midsummer's dawn? Take a walk down memory lane to find out.
2013 National Young Astronomer Awards
The Astronomical League announces the top finishers for the 2013 National Young Astronomer Award program.
Astronomy’s 60 Greatest Mysteries
The editors of Sky & Telescope announce a brand-new special publication that addresses the most pressing questions facing astronomy today.
A Billion Pixels of Mars-scape
When you take your camera all the way to the Red Planet, no one's going to blame you for taking a lot of touristy snapshots. Put 896 of them together, and here's the result!
