SUNSET: 
Tuesday's Daytime Jupiter Occultation a Warm-Up for the "Big One"
A daytime occultation to whet your appetite for next month's spectacular show.
Next Up! A Deep Partial Lunar Eclipse on Aug. 27–28
A near-total lunar eclipse wraps up August's trifecta of two major eclipses and the Perseids.
Meet Altair, the Eagle’s Eye
Altair, centerpiece of Aqulia, the Eagle, is the twelfth-brightest star in the night sky and one of the closest stars to Earth.
Rare Total Solar Eclipse-Perseid Meteor Shower Double-Header August 12th
The only total solar eclipse of the year coincides with the Perseid meteor shower. Here's what you need to know to watch the eclipse.
Meet the Constellations: Delphinus, the Dolphin
Delphinus, the constellation looks just like a tiny Dolphin that's splashing its way through the sky amidst other famous summer sights.
Plan for Next Year's Total Solar Eclipse: August 2, 2027
The longest total solar eclipse visible from land until 2114 will sweep across Spain and North Africa on August 2, 2027. Here’s how to choose where to watch it.
Comet 10P/Tempel Brightens, Sets Sail South
This periodic visitor is now bright enough to see in binoculars from a dark sky. We also report on a bright supernova in Ursa Major.
Steamy Nights at the Galactic Equator
Here's an observing guide to both familiar and lesser-known deep-sky objects that inhabit our galaxy's equatorial zone.
Meet the Cygnus, the High-Flying Swan
Meet Cygnus, the Swan, a high-flying constellation that looks like its namesake and has a rich mythological history.
See Venus Disappear in Broad Daylight on June 17th
On June 17th, much of North America can watch the Moon occult Venus in the daytime sky. All you need are binoculars.
Meet Callisto, Jupiter's Ancient Moon
Meet Callisto, the heavily cratered moon that's the most distant of the Galilean satellites from Jupiter.
Chance of Aurora Extends to Friday Night, June 5th
A geomagnetic storm expected June 4th arrived late. But there's still at chance of seeing auroras Friday night, June 5th.
Lost in the Star Clouds — A Milky Way Odyssey
I share my "discovery" of a new Milky Way star cloud that's been staring at me for ages.
Meet the Constellations: Leo, the Lion
Leo, the Lion, is one of the most recognizable of the spring constellations, with its large size, distinctive shape, and plentiful bright stars.
Satellite or Meteor? Dissecting Light Trails in Your Sky Photos
Here's a quick guide to tell meteors from machines in your wide-field images of the night sky.
See the Moon Hide Regulus, the Stellar Heart of the Lion
Watch Regulus disappear and reappear before your eyes during its last North American occultation in the current cycle.
Dawn Comet C/2025 R3 (PanSTARRS) May Hold a Surprise
If we're lucky, we'll soon have bright comets at both dawn and dusk.
Latest News on the Kreutz Sungrazing Comet C/2026 A1 MAPS
As the comet prepares for its perilous perihelion passage, we look at what to expect.
Dawn Delight: Total Lunar Eclipse on March 3rd
March opens with a spectacular total lunar eclipse. Our guide will help you make the most of it.
Gauge the Darkness and Color of the August 2026 Lunar Eclipse
Here’s all you need to know to help measure the size of Earth’s shadow during the next lunar eclipse.
