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Diamond Ring

Celestial News & Events

Where to Watch the Total Solar Eclipse Online

Watch the total solar eclipse — alongside interviews with scientists and astronauts — with these livestreams.

Pleiades over Jupiter in twilight, April 5, 2024

Celestial News & Events

This Week's Sky at a Glance, March 29 – April 7

What? You say you're bored? The evening sky is moonless, the two Dog Stars align vertically, the Big Dipper dumps into the Little Dipper, and the Springs of the Gazelle cross the zenith.

Total Solar Eclipse Australia 2023

Celestial News & Events

Apps to Help You See the Solar Eclipse

For the April 8th eclipse, mobile apps offer everything from weather forecasts to local circumstances. Here's a review of eclipse apps that you might find useful on the big day.

Little Rock, AR April 8 all-sky view

Celestial News & Events

What Will We See in the Sky During Totality?

Most of our time will be focused on Sun during the minutes of totality on April 8th, but consider tearing yourself away for a few seconds to put it all in context.

Celestial News & Events

Partial: The Solar Eclipse for the Rest of Us

Whether the Sun will become a dented ball or an eerie crescent of fire, a celestial shadow show awaits you practically everywhere in North and Central America.

Jupiter and Mercury in evening twilight, late March 2024

Celestial News & Events

This Week's Sky at a Glance, March 22 – 31

The full Moon will go through a penumbral eclipse. Comet Pons-Brooks nears its best showing in early evening. And as Mercury fades in the sunset, Jupiter becomes the only easy planet in the entire sky.

Moon crossing Gemini, March 17-19, 2024

Celestial News & Events

This Week's Sky at a Glance, March 15 – 24

Mercury emerges in the sunset, far lower right of brighter Jupiter. And don't just arc to Arcturus and speed to Spica — continue the curve to Corvus, cruise to Capella, and more.

Betelgeuse close-up

Celestial News & Events

Is Betelgeuse Fading Again?

Betelgeuse has dipped nearly half a magnitude since late January. Could it be headed for another Great Dimming Event? We also take a look at this spring's "other" eclipse.

Celestial News & Events

This Week's Sky at a Glance, March 8 – 17

The Moon sidles up to bold Jupiter, then the delicate Pleiades, then the Castor and Pollux twins. Arcturus, ascending in the east, is probably the third-brightest star you've ever seen and that's including the Sun.

Moon, Antares, Scorpius ay dawn, March 2-4, 2024

Celestial News & Events

This Week's Sky at a Glance, March 1 – 9

It's early March, so the Winter Triangle balances on Sirius after dark. The Gemini twins float high across the meridian. Leo jumps the gun on spring.

Moon with Regulus and Algieba, Feb. 23, 2024

Celestial News & Events

This Week's Sky at a Glance, February 23 – March 3

The full Moon splits the Sickle, the dawn Moon occults Antares, carnivore constellations stand up in the east, and the zodiacal light is at its evening best.

Moon passing Pleiades and Aldebaran, Feb. 16-17, 2024

Celestial News & Events

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

The Moon waxes from first quarter to full this week, traveling from the Pleiades past the not-quite-twin heads of Gemini to the Sickle of Leo. The Big Dipper and Cassiopeia stand in balance. Venus meets Mars low in the dawn.

Moon passing Pleiades and Aldebaran, Feb. 16-17, 2024

Celestial News & Events

This Week's Sky at a Glance, February 9 – 17

The first-quarter Moon passes the Pleiades, then Aldebaran. Cassiopeia stands on end. For the southern U.S., Canopus culminates far under Sirius.

Waning Moon passing through Scorpius, Feb. 4-6, 2024

Celestial News & Events

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

Under Orion is the Hare, which you may know, and under the Hare is the Dove, which you may not. February the best month for both.

12P/Pons-Brooks with tail

Celestial News & Events

The Best Comets to Look for in 2024

If you like chasing comets, here's a guide to the year's best and brightest.

Jupiter and Pleiades in early evening, early February 2024

Celestial News & Events

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

Orion anchors both the Winter Triangle and the Winter Hexagon. So does the Meat Cleaver in Canis Major. Jupiter regards them from high to their right.

Moon passing Leo and Regulus in the evening sky, Jan. 26-27, 2024

Celestial News & Events

This Week's Sky at a Glance, January 19 – 28

Jupiter shines high, bright, and obvious after dusk. Mercury and Mars glimmer low, dim, and elusive for their close conjunction in the dawn.

Diamond ring sequence

Celestial News & Events

Solar and Lunar Eclipses in 2024

Although no total lunar eclipses occur this year, skywatchers can look forward to two “central” solar eclipses — including a much-awaited total eclipse that spans the U.S. from Texas to New England.

Small and Large Magellanic Clouds

Celestial News & Events

Clouds, Large and Small, of the Southern Sky

Jonathan Nally sets out to explore the Southern Hemisphere sky, starting with two uniquely southern sights: the Small and Large Magellanic Clouds.

Moon passing Saturn, Jan. 13-14, 2024

Celestial News & Events

This Week's Sky at a Glance, January 12 – 21

The evening Moon passes Saturn, then Jupiter. Venus and Mercury march in lockstep in the eastern dawn. Capella, as always, paces Orion's bright foot. And who's winning the Sirius-Betelgeuse race?