SUNSET: 
See a Potentially Hazardous Asteroid From Your Backyard
Get ready for 2014 JO25, the biggest asteroid to fly this close to Earth since 2004. Good news — even a 3-inch telescope will show it! Update: See below for a radar image and animation of 2014 JO25 captured by NASA's Goldstone Solar System Radar on April 18, 2017. Every week, a…
This Week's Sky at a Glance, April 7 – 15
In addition to three comets now in binocular view, Jupiter is at its biggest and brightest. Also look for summer star Vega in the northeast soon after dark.
Comet PanSTARRS (C/2015 ER61) in Outburst and Binocular Bright
Dawn comet C/2015 ER61 PanSTARRS just underwent a bright outburst and is now an easy binocular object. Take a look before the Moon returns!
Stargazer's Corner: Adventures Under the Night Sky
Comet Hale-Bopp’s Ancient Spectacle
Astrophotographer John Goldsmith chronicles his travels during Comet Hale-Bopp's famous apparition 20 years ago. His images capture what ancients might have seen 4,200+ years before.
Tour April's Sky: Critters on the March
As you'll hear in this month's podcast, April is a time when it's easy to spot a lion, a sea serpent, and two bears in the evening sky.
This Week's Sky at a Glance, March 31 – April 8
Catch two comets through your binoculars, and watch the waxing crescent Moon approaching Aldebaran and the Hyades Friday evening.
Jupiter Close, Bright, and Up All Night
It's easy to like Jupiter. No other planet offers such a bounty of amazing sights through the telescope, especially this week when it reaches opposition. On April 7th, the largest planet in the solar system will rise at sunset and shine all night. That's the date Jupiter lines up behind…
Comet Lovejoy Brightens Quickly, Heads North
Terry Lovejoy's new comet has gone from faint to bright in just three weeks and is now a tempting binocular target at dawn.
Sirius B — A New Pup in My Life
Here are some tips on you, too, can see Sirius B, the "Pup" of the Dog Star, Sirius A.
Bright Supernova Erupts in NGC 5643 in Lupus
A recently discovered supernova in Lupus now shines around magnitude +11.5, bright enough to see in a modest telescope. With photos and maps, we'll get you there. I wished I lived in Georgia and not just for the peach trees and warmer weather. No, I'd be able to get up early…
This Week's Sky at a Glance, March 24 – April 1
Look up at the stars tonight and see the Little Dipper "pour" into the Big Dipper. Telescope users may try for Jupiter's moon in eclipse and Comet 41P.
Astronomy and Stargazing Projects
See an Ultrathin Venus Crescent
With Venus approaching inferior conjunction, don't miss the chance to see one of the thinnest Venus crescents of your life.
This Week's Sky at a Glance, March 17 – 25
Find the dim constellation Cancer on the traditional divide between the winter and spring sky. Last quarter Moon falls on Monday, March 20th.
Comet 41P/T-G-K Greens Up For St. Paddy's Day
Comet 41P/Tuttle-Giacobini-Kresak begins its best showing of the year this week as it slingshots across the Big Dipper into circumpolar skies.
This Week's Sky at a Glance, March 10 – 18
The Moon hangs a few degrees below Regulus this Friday evening, and Mercury begins to emerge from the glow of sunset by the end of the week.
Stargazer's Corner: Adventures Under the Night Sky
A Teachable Moment: When the Moon's Shadow Came to Angola
A solar eclipse provided the perfect teachable moment in Angola, as students learned about the real sizes and distances of Earth, the Moon, and the Sun.
Stargazer's Corner: Adventures Under the Night Sky
A Remarkable View of Aldebaran's Occultation
A lucky group of Canadian observers got to witness remarkable events as the Moon slid past Aldebaran on the night of March 4th.
Constellations That Might Have Been
Obsolete constellations may be gone, but they're not forgotten. We revisit their brief glories and learn how to find them in the 21st-century sky.
This Week's Sky at a Glance, March 3 – 11
The Moon hangs below Aldebaran in the west this evening. But get ready for Saturday night, when the dark limb of the first-quarter Moon occults Aldebaran
Stargazer's Corner: Adventures Under the Night Sky
A Better Red-Light Filter for Your iPhone
By tapping into some little-know settings, you can make your iPhone use a red screen all the time at night and preserve your dark adaptation.
