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Celestial Objects to Observe

The Best Meteor Showers in 2023

The two richest, most reliable annual meteor showers, the Perseids and Geminids, are Moon-free in 2023. Others showers await you too.

Pleiades

Night Sky Sights

Getting Started with Your New Telescope

How to start out right with a new telescope — a guide to what you need to know, how to set it up, and things you can start finding with it in tonight's sky.

Crescent Moon passing Venus and Mercury, Dec. 24-25, 2022

Celestial News & Events

This Week's Sky at a Glance, December 23 – 31

Venus and Mercury glimmer low in the southwest in twilight. The newborn crescent Moon starts the week with them, then visits Saturn, Jupiter, and Mars as it waxes toward full.

Venus, Mercury, crescent Moon at dusk, Dec. 24, 2022

Celestial News & Events

This Week's Sky at a Glance, December 16 – 24

The Pleiades dipper, the House in the Hyades, Mars high but fading, M31 at the zenith, and a celestial string of holiday lights.

Moon in Gemini passing Castor and Pollux, Dec. 10-11, 2022

This Week's Sky At a Glance

This Week's Sky at a Glance, December 9 – 16

Mars, just past opposition, remains bright as it aligns between Aldebaran and Capella. Jupiter shines highest after dusk. And watch for the Geminid meteors.

Oppositions: Mars with full Moon Dec. 7, 2022.

Celestial News & Events

This Week's Sky at a Glance, December 2 – 10

Mars is at opposition this week. And on opposition night December 7-8, Mars is occulted by the perfectly full Moon. Orion enters stage east earlier and earlier, the Summer Triangle sinks west, and Jupiter reigns on high.

Moon shining with Jupiter, late evening Dec. 1, 2022

Celestial News & Events

This Week's Sky at a Glance, November 25 – December 3

Mars is closest to Earth this week, closer and brighter than we'll see it again until 2033. By late evening it's high overhead in excellent telescopic view.

Jupiter near the Circlet of Pisces

This Week's Sky At a Glance

This Week's Sky at a Glance, November 18 – 26

Orion works its way up from behind the horizon after dinnertime and stands high by late evening. Big bright Jupiter and Mars dominate the sky. Jupiter is under the Great Square; Mars is in the horns of Taurus.

Moon and Mars, Nov 11-12, 2022

This Week's Sky At a Glance

This Week's Sky at a Glance, November 11 – 19

The Moon shines in the east with ever-brightening Mars, then it wanes down into the early morning hours to leave the evenings dark for deep-sky observing. Jupiter glares on high. Vega and its binary accompaniments await you in the west.

Moon with Jupiter, Nov 4-5, 2022

Celestial News & Events

This Week's Sky at a Glance, November 4 – 12

The Moon gets totally eclipsed this week as it walks from Jupiter to Mars. Saturn in the evening sky is at quadrature, which means an effect is under way for telescope users....

Moon crossing Sagittarius Teapot, Oct. 28-30, 2022

Celestial News & Events

This Week's Sky at a Glance, October 28 – November 5

The Summer Triangle Effect, a double shadow on Jupiter, the waxing Moon photobombs the solar system's two giants, an Algol dip — plan your skywatching week.

Mercury and thin crescent Moon at dawn, Oct. 23, 2022

Celestial News & Events

This Week's Sky at a Glance, October 21 – 29

Jupiter remains near its maximum possible size, and Mars continues to grow. Below Jupiter shines the Frog Star. And this week, Arcturus becomes the Ghost of Summer Suns.

diagram not to scale

solar eclipse 2024

The Hows & Whys of Solar Eclipses

Take a few minutes to become an eclipse expert for family and friends.

Waning Moon passing Mars in late evening, Oct 14-15, 2022

This Week's Sky At a Glance

This Week's Sky at a Glance, October 14 – 22

These moonless evenings open the sky for good constellation spotting and deep-sky probing. Pegasus flies high. Draco eyes Vega. And it's time for the Orionid meteors.

The bright Moon shines with Jupiter Oct. 8, 2022

Celestial News & Events

This Week's Sky at a Glance, October 7 – 15

The bright Moon this week passes Jupiter, then Mars. Deep-sky darkness starts returning to the evening sky on the Thursday the 13th. The bulky Andromegasus Dipper is on autumn display.

Crescent Moon with Antares at dusk, Sept. 30, 2022

Celestial News & Events

This Week's Sky at a Glance, September 30 – October 8

The Moon poses with Antares at dusk. A few nights later, lunar sunrise unveils the sharp black line of the Straight Wall in Mare Nubium for small-telescope users. Saturn, Jupiter, and Mars span the evening sky. Mercury climbs onstage at dawn.

Cup-shaped dawn crescent Moon, Sept 24, 2022

This Week's Sky At a Glance

This Week's Sky at a Glance, September 23 – October 1

Cygnus and the Milky Way cross the zenith after the end of twilight. Saturn, Jupiter, and Mars await your scope through the night. A thin crescent Moon poses favorably at dawn — because it's cupped.

The waning Moon lines up with Mars and Aldebaran; midnight Sept 16-17, 2022

This Week's Sky At a Glance

This Week's Sky at a Glance, September 16 – 24

The late-night Moon aligns with Mars and Aldebaran. Delta Cephei pulses on high. And constellations all over the sky signal the change from summer to fall.

Moon passing under Jupiter Sept 10-11, 2022

Celestial News & Events

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

As the Moon wanes from full to last quarter, passing Jupiter and Mars along the way, darkness returns to the evening sky for constellation spotters and deep-sly observers.

Waxing gibbous Moon passing Saturn at dusk, Sept 7-8, 2022

Celestial News & Events

This Week's Sky at a Glance, September 2 – 10

As the Moon waxes from first quarter to full, watch it cross the southernmost zodiac constellations, then pass Saturn and Jupiter. Along the way it occults a Teapot star.

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