SUNSET: 
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.
Watch the Young Moon Greet Mercury at Sunset
On February 18th, the willowy crescent has a close shave with Mercury, so close that it occults the planet from some U.S. cities.
Gauge the Darkness and Color of the March 2026 Total Lunar Eclipse
Here’s all you need to know to help measure the size of Earth’s shadow during the next lunar eclipse.
Comet 29P/Schwassmann-Wachmann Bursts as "Ice Volcano" Erupts
After a recent explosive outburst, Comet 29P/Schwassmann-Wachmann is bright enough to see in a medium-sized telescope.
Photograph the Solar Eclipse: Interacting with Totality
Here's how you can add a personal element to your solar eclipse photography.
New Kreutz Comet C/2026 A1 May Dazzle
A distant Kreutz comet heading our way may grow a glorious tail in April.
Nights with Mira, a Most Wonderful Star
Mira the Wonderful is back! Of course, it's always been there, but now it's near maximum brightness and easily visible with the unaided eye.
Solar and Lunar Eclipses in 2026
This year offers an interesting mix of celestial coverups: a total solar eclipse viewable from Spain and two deep lunar eclipses (one total, one not quite) visible across North America. The fourth, an annular solar eclipse, will be confined to the bottom of the world.
Big and Bright, Jupiter Beckons in January
Jupiter's having a special moment! Don't miss the giant planet at its best when it reaches opposition this week.
The Best Meteor Showers in 2026
The Quadrantids and Eta Aquariids will have Moon trouble in 2026, but the beloved Perseids and Geminids should be glorious.
Tour 15 of the Brightest Stars on New Year's Eve (VIDEO)
Tour 15 of the sky's brightest stars all in one night on this New Year's Eve! This interactive Worldwide Telescope video will show you the way.
Explore Orion's Massive New Stars with Binoculars
Waves of recent star formation have made Orion winter's most scintillating constellation. You can see how it all came to be.
Geminid Meteor Shower Peaks December 13-14
Great news! We'll have dark skies for the year's richest meteor shower.
Lure of the Obscure — Andromeda's Parachute and Dracula's Chivito
Observers can't resist the challenge of seeking faint objects with curious names. We go deep and visit two — Andromeda's Parachute and Dracula's Chivito.
Comet K1/ATLAS Crumbles, Interstellar Comet 3I/ATLAS Delights
Watch an Oort Cloud comet disintegrate before your eyes. Meanwhile, interstellar intruder 3I/ATLAS is brighter than expected.
