41–60 of 2,488 results
1-day-old crescent Moon

Observing

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.

Lunar craters for timing

Astronomy and Stargazing Projects

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 in outburst

Celestial Objects to Observe

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.

Mercury and Venus low in twilight, Feb. 13, 2026

This Week's Sky At a Glance

This Week's Sky at a Glance, February 13 – 22

Three planets await you in the western twilight, though low Venus is a toughie. The crescent Moon passes them and, for the lucky, occults Mercury. Dog and Hare accompany Orion. And can you find Kemble's Cascade?

Celestial Objects to Observe

Photograph the Solar Eclipse: Interacting with Totality

Here's how you can add a personal element to your solar eclipse photography.

Lower half of Winter Hexagon rising

This Week's Sky At a Glance

This Week's Sky at a Glance, February 6 – 15

The Winter Hexagon encompasses the brightest winter stars. Near Orion, the Big Dog prances and the Hare crouches. And the moonless dark this week opens telescopic deep-sky depths.

Comet C/2026 A1 (MAPS) on Jan. 17, 2026

Celestial Objects to Observe

New Kreutz Comet C/2026 A1 May Dazzle

A distant Kreutz comet heading our way may grow a glorious tail in April.

Winter Milky Way near Orion

Sky Tour Astronomy Podcast

February Podcast: Winter’s Milky Way

In this month’s episode, go on a tour of the stars and planets that you’ll see overhead during February. First we’ll keep tabs on the Moon; say good-bye to Saturn; trace out the Winter Milky Way; and explore some lesser-known constellations near Orion.

Moon to occult Regulus, Feb. 2, 2026

This Week's Sky At a Glance

This Week's Sky at a Glance, January 30 – February 8

The dazzling Moon occults Regulus Monday night while Regulus is busy announcing February. Betelgeuse turns the Winter Hexagon into the Heavenly G.

Moon over Saturn after dark, Jan. 23, 2026

This Week's Sky At a Glance

This Week's Sky at a Glance, January 23 - February 1

The waxing Moon marches east across the evening sky. It says hello to binary Gamma Arietis on Saturday, then occults some of the Pleiades for Europe on Tuesday. But it's past them by nightfall in North America.

Hevelius atlas Mira

Celestial Objects to Observe

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.

Jupiter in Gemini, mid-January 2026

This Week's Sky At a Glance

This Week's Sky at a Glance, January 16 – 25

This winter the biggest planet is the brightest. The brightest star pins the Winter Triangle. And did you know Capella and Rigel march in step?

Lunar eclipse montage (Sep 2015)

Observing

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.

Jupiter in Gemini, mid-January 2026

This Week's Sky At a Glance

This Week's Sky at a Glance, January 9 – 18

Jupiter is at opposition. Evenings are moonless, and the winter Milky Way arches high over the world. Betelgeuse stands over Sirius.

Jupiter and GRS

Celestial Objects to Observe

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.

This Week's Sky At a Glance

This Week's Sky at a Glance, January 2 – 11

The bright Moon shines over Jupiter, Pollux and Castor on Friday evening the 2nd, then groups right up among them on Saturday the 3rd.

Perseid meteor and Milky Way

Observing

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.

Orion and Jupiter Jan 2026

Sky Tour Astronomy Podcast

January Podcast: Jupiter and Orion

In this month’s episode, start with one of the year’s best meteor showers, then spend some time with Jupiter, and check out a mythical queen and hunter who have ego problems. So bundle up, grab your curiosity, and come along on this month’s Sky Tour.

Sirius and M41

Celestial Objects to Observe

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.

Moon with Saturn at dusk, Dec. 26-27, 2025

This Week's Sky At a Glance

This Week's Sky at a Glance, December 26 – January 4

Jupiter nears opposition. The waxing Moon pairs with Saturn, then guides the way to the fine telescopic double star Gamma Arietis. Later it passes the Pleiades.