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Jupiter barely emerging in bright dawn, June 22, 2024

Celestial News & Events

This Week's Sky at a Glance, June 21 – 30

The two brightest stars of summer balance across the zenith. Arcturus and Vega represent the two commonest spectral types, and colors, of all the naked-eye stars in the sky.

Moon crossing Scorpius, June 18-20, 2024.

This Week's Sky At a Glance

This Week's Sky at a Glance, June 14 – 23

On solstice week the brightening Moon moves across the evening sky from Spica to Scorpius. On Monday, it helps you find a piece of Centaurus from as far north as southernmost Canada!

Crescent Moon under Castor and Pollux, June 7-8, 2024

This Week's Sky At a Glance

This Week's Sky at a Glance, June 7 – 16

The waxing Moon reenters the sky as an evening crescent. Pollux and Castor keep it company. The Big Dipper hangs straight down. And can you still catch wintry Capella? The colder your latitude the better your chance.

Big Dipper with the stars labeled with the years the light we see in 2024 left them. (Image: IAU/ Arya Anthony)

Celestial News & Events

This Week's Sky at a Glance, May 31 – June 9

Arcturus and Vega highlight the evening, The Big Dipper quickly pivots. And sorry, tell your friends and family who ask that no "dazzling Parade of Planets" is blazing across the sky. Who makes this stuff up??

Moon and Saturn, May 31, 2024

This Week's Sky At a Glance

This Week's Sky at a Glance, May 24 – June 2

The Big Dipper twists around fast near the zenith, Arcturus almost claims the zenith, the Coma Star Cluster not far away can't quite hide, and T Cor Bor simmers ominously dim.

Aldebaran about to be occulted by the waning gibbous Moon in daylight, Oct. 2, 2015

Celestial News & Events

This Week's Sky at a Glance, May 17 – 26

This week the Moon occults Beta Virginis, then Antares. The last star of the Summer Triangle finally rises before bedtime. On the other side of the sky, the Arch of Spring sinks low.

Moon, Capella, and Beta Tauri at dusk, May 10, 2024

This Week's Sky At a Glance

This Week's Sky at a Glance, May 10 – 19

The waxing Moon this week travels eastward from the horns of Taurus past the heads of Gemini, the Beehive in Cancer, then the forefoot of Leo on its way to occulting Beta Virginis.

Waning Moon passing Saturn and Mars in the dawn, May 4-5, 2024

Celestial News & Events

This Week's Sky at a Glance, May 3 – 12

This week in the moonless dark, the Summer Triangle appears over the eastern treetops star by star. Leo walks down toward the west. And the Sombrero Galaxy positions itself ideally on the south meridian for your telescope.

Mars and Saturn low in the dawn around April 27, 2024

Celestial News & Events

This Week's Sky at a Glance, April 26 – May 5

All the planets now huddle around our line of sight toward the Sun. However, these moonless evenings present us the Spring Triangle, the Great Diamond with a sugar sprinkle on its edge, and the Pointers aligned vertically.

Moon meets Spica as Corvus watches, April 22, 2024

Celestial News & Events

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

Springtime Leo walks high in the south, springtime Hydra snakes a quarter of the way around the celestial sphere, and the bright Moon aligns with Spica.

Mars and Saturn very low in the dawn, April 13, 2024

This Week's Sky At a Glance

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

Jupiter is easy to spot, shining low in the west at nightfall. Near it are Uranus and Comet Pons-Brooks, tougher catches that require binoculars or a wide-field telescope — and some finding skills.

Crescent Moon passing Jupiter and Pleiades at dusk, April 10-11, 2024

Celestial News & Events

This Week's Sky at a Glance, April 5 – 14

Venus and Jupiter may shine through the blue sky during the April 8th solar eclipse even if the eclipse for you is only deep partial. After dark, Orion walks down in the southwest.

Pleiades over Jupiter in twilight, April 5, 2024

This Week's Sky At a Glance

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.

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.

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

This Week's Sky At a Glance

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

This Week's Sky At a Glance

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

This Week's Sky At a Glance

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.

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