The recurrent nova T Coronae Borealis last made a splash just after World War II. Does its current restive state hint at an imminent outburst?
With astronomy being celebrated around the globe this month, join the fun by participating in a unique lunar observing challenge: track down 20 features once thought to show evidence of change from weather, geology, and even life.
With the Moon finally put to bed and Comet 252P still bright, there's no better time than now to see it. Nearby Mars and Saturn only sweeten the deal.
Splintered comet duo 252P/LINEAR and P/2016 BA14 liven up both dusk and dawn this week. Naked-eye 252P finally debuts in northern skies, while BA14 makes a beeline through the Big Dipper.
Not one, but two, possibly related comets will make exceptionally close flybys of Earth on March 21–22. Here's what we know and a guide on how to see them.
It's easy to take high-quality images of the lunar disk.
Baptized in the fire of yesterday's total solar eclipse, a very young crescent Moon emerges into the night sky.
Jove begins a new apparition with a redder Red Spot, pirouetting moons, and ever-changing cloudscapes.
A multi-year investigation revealed errors in our understanding of the Sun.
This week and early next will be your last chance to see five planets — six if you count Earth — at dawn.
Sky & Telescope predicts that the two best meteor showers in 2016 will be the Quadrantids in early January and the Perseids in mid-August.
Bright Capella plays it close to the vest when it comes to companions, but with a good map and steady skies you can track down its dwarf binary.
Comet Catalina returns this month with naked-eye potential. Follow its every move with our guide and maps.
After a late-night ramble through the Hyades cluster, the waning gibbous Moon will cover up the bright star Aldebaran for observers across North America Friday morning.
Want to see a star rock in real time? Observe the Sun in the crimson light of hydrogen alpha and watch it come alive.
Lunar eclipses are leisurely affairs a pleasure to watch and photograph.
Northern hemisphere observers have this month and next to get their best look at Rosetta's comet, 67P/Churyumov-Gerasimenko.
We pay a visit to Ceres, now the apple of the Dawn Mission's eye, as it creeps through Sagittarius this month
Like "catching some rays"? This weekend's Blue Moon invites us to explore the beauty and dazzle of crater rays, the tracks left by powerful impacts in the not-so-distant past.
Comet C/2014 Q1 PanSTARRS has been skirting the northern horizon since mid-June. Now it's ready to dip Down Under, where it may be visible with the naked eye in evening twilight.
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.
It’s been a fantastic year for Pluto, and it’s only going to get more so. What better time to make your first (or second!) attempt at spotting the dwarf planet? Read on for a few tips to help you locate this dim object in the summer sky.
This article gives directions for finding Uranus and Neptune from June 2015 through March 2016.
Spot Uranus and Neptune, and relive the original discoveries.
Chips of Pallas grace meteorite collections around the world. See where they all came from when the asteroid reaches opposition this spring.