Stars still embedded in their natal clouds act as signposts to map the Sagittarius-Carina, Perseus, and Outer spiral arms of the Milky Way.
Observations from NASA’s Lunar Atmosphere and Dust Environment Explorer (LADEE) have rekindled interest in dust clouds seen along the Moon’s day-night terminator.
Sunlight on Pluto is only a thousandth as strong as it is here on Earth. With careful timing, you can experience what it'd be like to stand on Pluto at noon.
It's no myth. Icarus makes a rare flyby of Earth this week. Here's how to see it in your telescope and live online.
After seven months of electronic hibernation, Philae has awakened on the surface of Comet 67P/Churyumov-Gerasimenko and resumed relaying its data to Earth.
Super-sharp imaging confirms that the nearby red giant star L2 Puppis is forming a tiny bipolar nebula as it comes to the end of its life.
On June 11, 2015, the moon will occult Uranus. Here's a webcast.
Scientists have detected glass in Martian craters, created by the fierce heat of impacts that melted the Red Planet’s surface.
Researchers confirm that three solitary stars have gone supernovae in intergalactic space.
Recent research casts doubt on whether nearby Kapteyn b, a supposed super-Earth circling in its star’s habitable zone, is a planet at all.
Visit the dwarf planet Ceres in this video animation created from images taken by NASA’s Dawn spacecraft.
Sky & Telescope's third annual trip to Iceland, this time accompanied by Equipment Editor Sean Walker, provides a fantastic opportunity to photograph the aurora borealis.
On May 31st, the Cassini spacecraft flew by Saturn’s funky moon Hyperion. The resulting images highlight the moon’s unusually pocked surface.
Sky & Telescope's introductory videos walk you through all aspects of buying, using, and caring for your first telescope.
The chaos of stars strewn across a dark sky offers a lesson in awe and humility. Master your own night sky when you take 40% off our planisphere and other get-started astronomy products, now through Sunday.
Rosetta continues to help astronomers better understand the way comets form and how they interact with the universe around them.
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.
New data on Pluto’s moons show that the system is more bizarre than previously thought.
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.
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.
Amateur observers helped reveal a rare eclipse of a close stellar pair known as b Persei by a third companion star.
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!
Starry cannibalism of Wolf-Rayet Star Nasty 1 may offer clues as to how massive, pre-supernova stars evolve.
Watch as the two brightest planets — Venus and Jupiter — edge closer together and culminate on June 30th with a dramatically close pairing.
Researchers using NASA’s Wide-Field Infrared Survey Explorer (WISE) have discovered the most luminous galaxy to date.