Neptune reaches opposition next week, giving amateurs the chance to track its unique, backwards-orbiting moon Triton.
Twilight. Gloaming. Dusk. Blue Hour — all names for that colorful and contemplative time between day and night. We explore twilight's brief but fascinating sights and learn why it gets shorter as summer turns to fall. Twilight takes us gently into that good night. I wouldn't mind spending time on the Moon, but I'd miss dusk and dawn. Many...
We've patiently waited for Comet 67P/Churyumov-Gerasimenko to grow bright enough to see in amateur telescopes. That time has finally arrived. Here's how to spot it before dawn. We've waited a long time for this. Looked at hundreds of close-up photos of Comet 67P/Churyumov-Gerasimenko taken by the Rosetta spacecraft since it arrived at the comet a year ago...
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.
In search of a pitch black night? Don't expect to find it on Earth. Thanks to starlight, zodiacal light, and especially airglow, true darkness doesn't exist.
One of the smallest constellations in the sky hosts one of the richest concentrations of dark nebulae. Join me for a dip in these dark pools from which the next generation of stars will be born.
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.
July nights bring the green flicker of fireflies and a question — are there any green stars we can see in our telescopes? The answer may surprise you.
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.
Cobwebs of cosmic dust limit how far we can see into the Milky Way's hub, but Baade's Window offers a rare glimpse into the stellar riches that await us there.
Stars may appear static, but they're on the move. Put these two speed demons on your observing list this summer. When you return in a year or two, you'll be pleasantly surprised.
With Arcturus as our touchstone, we set off in a virtual time machine to visit the sky of the distant future.
Saturn reaches opposition this week, offering the best view of it we've had in years. This guide will help you explore the ringed planet's many charms.
Keep your eye on the prize in the western sky. Venus sets exceptionally late this month, presenting skywatchers with several unusual observing opportunities.
Chips of Pallas grace meteorite collections around the world. See where they all came from when the asteroid reaches opposition this spring.
Too tired to bring the scope out? Stuck looking at the same dozen deep sky objects? Here are a few ways to get that observing fire back in your belly.
Walk in the astronauts' footsteps as you explore the places they visited in the heyday of Apollo program. Use these helpful maps to start you on your way.
Participate in a world-wide campaign to observe and photograph Comet 67P/C-G as it approaches and recedes from the Sun with Rosetta in tow. Your observations matter.
Jupiter's four brightest moons continue to eclipse and occult one another, but time is running out. Only a few easy-to-see events remain between now and the end of the mutual events season.
There's much to take in during Saturday morning's total lunar eclipse, including a rare Moon-galaxy pairing, the splendid summer Milky Way, and a chance to see your shadow reach all the way to the Moon.
You might be tempted to pass up this familiar star for more exotic quarry, but take another look at a multiple star with a most interesting history.
"One Ring to rule them all." Join me as we explore a unique class of galaxies forged in the chaos of collision.
Still bright and easier than ever to find, Comet Lovejoy continues to delight skywatchers. Watch as it cuts through Cassiopeia this week. Comet Lovejoy, now a long-time visitor to our night sky, lies poised at the limit of naked eye visibility. Hovering around magnitude 5.8, the comet looks like a faint star from a dark sky,...
How Comet D1 SOHO survived a near-death experience long enough to haunt the evening sky — with maps to help you find it before it vanishes into the night.