SUNSET: 
Hold Worlds in Your Hand
Ever wanted to own one — or even all — of Sky & Telescope’s globes? Here’s your chance: Through this Sunday, June 7th, you can take 40% off the price of every globe you purchase.
Pluto's Perplexing Moons
New data on Pluto’s moons show that the system is more bizarre than previously thought.
Through Sunday: Get That Star Atlas Cheap!
Most of the things that are visible in any telescope, big or small, are barely visible in that telescope. You can't pick them up just by sweeping. You have navigate to the precise spot.
What Will New Horizons See — and When?
In his third "insider blog" about the New Horizons mission, principle investigator Alan Stern offers a look at the timetable for getting results from the historic flyby.
Astronomers Observe Rare Stellar Eclipse
Amateur observers helped reveal a rare eclipse of a close stellar pair known as b Persei by a third companion star.
Turn On to the International Year of Light!
The International Year of Light is well underway and provides a host of opportunities for astronomy outreach. Find out what programs and resources are available!
An Unusual Star: Wolf-Rayet Nasty 1
Starry cannibalism of Wolf-Rayet Star Nasty 1 may offer clues as to how massive, pre-supernova stars evolve.
Tour June's Sky: An Epic Planet Pairing
Watch as the two brightest planets — Venus and Jupiter — edge closer together and culminate on June 30th with a dramatically close pairing.
The Most Luminous Galaxy
Researchers using NASA’s Wide-Field Infrared Survey Explorer (WISE) have discovered the most luminous galaxy to date.
The Migrating Stars of Cluster 47 Tucanae
Observations of white dwarfs in a densely populated globular cluster confirm astronomers’ expectations that stars will migrate to a cluster’s outskirts after losing weight.
Hot Jupiters: Cloudy or Clear?
New analysis of Kepler observations shows that hot Jupiters' temperatures might predict their weather report.
Star Party Season Has Begun!
It’s time to get away from all those city lights and gather together to share in the secrets of the universe.
Supernova, Two Ways
Two new studies confirm that the white dwarfs that explode as Type Ia supernovae can approach death in two different ways.
Volcanoes on a Super-Earth?
Observations of nearby super-Earth 55 Cancri e reveal huge, as-yet unexplained changes in the exoplanet’s infrared emission, and volcanoes are one possible cause.
New Ultra-Deep Star Catalog Released
With the initial release of the USNO's Robotic Astrometric Catalog (URAT1), astronomers now have precise positions for about 228 million stars in the northern sky. Given my love of stone walls, I've been thinking about building one in the backyard to enclose the flower beds. But I haven't had the…
Spotting Andromeda Galaxy’s Giant Halo
Astronomers have detected a massive yet elusive nimbus of hot gas surrounding Andromeda Galaxy.
Microwave Ovens Spark Radio Signals
After 17 years, researchers using the Parkes radio telescope in Australia have identified the culprit behind a mysterious type of radio signal: two on-site microwave ovens.
Big Sunspot Group Now in View
For sunwatchers who've been disappointed by this weak solar maximum, Active Region 2339 offers something to cheer about.
Mapping Dark Matter
Two projects are mapping the distribution of dark matter in the universe, probing scales both large and small.
Best Evidence Yet That Black Holes Exist
A team of astronomers has found indirect evidence of a supermassive black hole’s event horizon, providing further proof that these wacky objects actually exist in nature.
