SUNSET: 
Astronomy in Space with David Dickinson
Cassini Traverses "Big Empty" on First Grand Finale Pass
The Grand Finale is underway, as NASA's Cassini spacecraft sails through a clear gap between Saturn and its rings.
Astrophotography with Jerry Lodriguss
How to Remove Light Pollution from Your Astro Images
Find out how to remove light pollution from your astrophotos so you can have dark skies instead of red-brown ones.
Astronomy in Space with David Dickinson
Cassini Survives First "Grand Finale" Dive
Cassini's Grand Finale has begun, as the spacecraft threaded the needle between Saturn and its rings, following several fantastic moon passes and a final glance back at Earth.
Explore the Night with Bob King
Sneezing at the Full Moon
Pollen's no friend of the allergy-prone, but there's an upside to your itchy eyes — weird and colorful coronas around the Moon and Sun.
Explore the Night with Bob King
Are You Ready, Willing, and Abell?
A cosmic rabbit hole in the tail of Leo will take you to Abell 1367, a wonderland of galaxies more than 300 million light-years from Earth. Step in and lose yourself in the vastness.
Astronomy in Space with David Dickinson
LISA Pathfinder: From Gravitational Waves to Space Dust
LISA Pathfinder, the technology testbed mission for a future gravitational-wave detector, turns out to be a surprisingly good micrometeoroid hunter.
Astronomy in Space with David Dickinson
Welcome to LHS 1140b: A Super-Earth in the Habitable Zone
The MEarth exoplanet survey nabs LHS 1140 b, a rocky planet transiting its host star just 41 light-years distant.
Explore the Night with Bob King
Lyrids to Put on a Weekend Light Show
The annual Lyrid meteor shower will add some pop and sizzle to Saturday's pre-dawn sky. With little interference from the Moon, conditions are ideal for meteor watching.
Explore the Night with Bob King
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…
Bright future for South African Astronomy
Govert Schilling chronicles his travels to astronomical observatories across South Africa, the future site of the Square Kilometre Array.
Explore the Night with Bob King
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!
Astronomy in Space with David Dickinson
Cassini's Grand Finale Orbits Set to Begin
NASA's Cassini mission nears its final act — the spacecraft will enter the first of its Grand Finale Orbits later this month.
Astrophotography with Jerry Lodriguss
How to White Balance Your Astrophotos
You'll capture the night sky as it truly looks when you learn how to establish a proper white balance in your DSLR astrophotos.
Explore the Night with Bob King
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…
Explore the Night with Bob King
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.
Explore the Night with Bob King
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.
Astronomy in Space with David Dickinson
Rosetta Sees Changing Face of Comet 67P
Data from the Rosetta mission has linked outbursts on Comet 67P/Churyumov-Gerasimenko with dramatic changes on the comet's surface.
Explore the Night with Bob King
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…
Explore the Night with Bob King
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.
Explore the Night with Bob King
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.
