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Halpha sun with prominences

Celestial Objects to Observe

How to Look at the Sun Safely

Our star is an amazing object to observe, whether by eye or with optical aid. These time-tested tips will let you see the solar disk worry-free.

Saturn and Mars in dawn conjunction near Venus, April 4 2022with Venus

Celestial News & Events

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

The evening Moon climbs toward the Arch of Spring, then through it. Orion's Belt levels, the Leaps of the Gazelle cross the zenith, and Saturn and Mars conjoin near brilliant Venus in early dawn.

Venus, Mars, Saturn and waning Moon, March 27-28, 2022

This Week's Sky At a Glance

This Week's Sky at a Glance, March 25 – April 2

What constellation trots behind Sirius and Canis Major across the southern sky? Puppis, not a puppy but the poop deck of Argo Navis. In this dark of the Moon, try for the Clown-Face Nebula high in Gemini. And the three dawn planets dance through two more isosceles triangles.

Venus, Mars, Saturn at dawn, March 19, 2022

This Week's Sky At a Glance

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

Sirius sparkles on the corner of the Meat Cleaver, two open clusters hide under the Cleaver's handle, Orion's Belt levels out for the turning of spring, and Venus, Mars and Saturn slow-dance at dawn.

Moon crossing Gemini, March 11-13, 2022

This Week's Sky At a Glance

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

Sirius, bright dogtag of Canis Major, offers observing challenges day and night. The Big Dipper balances Cassiopeia, and the nearly full Moon occults a Leo star.

Moon passing Aldebaran and the Pleiades, March 8-9, 2022

Celestial News & Events

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

Evenings see the crescent Moon return, Sirius at its peak in the south, and the Dipper and Cassiopeia in balance toward the north. For planets, look to the dawn.

Full moon and Earth shadow

Explore the Night with Bob King

Uncovering Secrets of Earth's Shadow

The daily rising and setting of Earth's shadow is a beautiful sight anyone on the planet can view. It's also an opportunity to witness the rapid changes that accompany sunset or sunrise, but at the opposite end of the sky.

Moon, Venus, Mars at dawn, Feb. 26-27, 2022

This Week's Sky At a Glance

This Week's Sky at a Glance, February 25 – March 5

As the winter Milky Way rides high, open star clusters near and far, and from compact to sparse, await your binoculars or telescope, At dawn catch the Venus-Mars pair, and try for the closer Mercury-Saturn pair lower down.

Venus, Mars, Mercury at dawn, Feb. 19, 2022

Celestial News & Events

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

With the Moon gone from the evening sky, trace out Monoceros the Unicorn walking behind Orion. Spot the famous binocular star clusters at his eye and horn-tip, and don't miss M41 under Sirius. Meanwhile, the waning Moon, passes Venus, Mars and Mercury at dawn.

Moon crossing Gemini, Feb 12-13, 2022

Celestial News & Events

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

The Winter Hexagon hosts the Moon. Then Castor and Pollux nail the Moon. Then the Little and Big Dog stars arc gracefully away from it. Meanwhile in early dawn, Mercury, Venus and Mars continue as a triangle low in the southeast.

Venus, Mercury and Marsa at dawn, early Feb. 2022

Celestial News & Events

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

This is the part of the month when the evening Moon is at its telescopic best in many skywatchers' opinions, as the terminator sweeps across the middle of the Moon's disk. And in February, the Moon at these phases rides especially high. Jupiter sinks low in evening twilight, and a triangle of planets displays in early dawn.

Moon, Venus and Mars at dawn, Jan. 28-30, 2022

This Week's Sky At a Glance

This Week's Sky at a Glance, January 28 – February 5

The Winter Triangle, the Goat Star and the Kids, Orion nearing his peak standing on the giant Hare over the difficult Dove... there's plenty to occupy you in the evening even as most of the planets have migrated over to dawn.

Lunar eclipse composite Nov 19 2021

Celestial News & Events

Solar and Lunar Eclipses in 2022

Although no total or annular solar eclipses occur this year, skywatchers can look forward to two total lunar eclipses — the first ones observable across North America in more than 3 years.

Venus, Mars, Antares at dawn, Jan. 22, 2022

This Week's Sky At a Glance

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

As Jupiter gets lower now, Orion and Gemini rise high, the Winter Triangle pivots on Sirius, the Great Square sinks and the Big Dipper creeps up.

Mare Orientale gravity map

Night Sky Sights

Set Your Sights on This Lunar Bull’s-Eye

Go ahead, live on the edge: Grab your chance this month to see Mare Orientale, one of the most spectacular lunar seas most people have never seen.

Asteroid makes close approach

Celestial News & Events

Watch an Asteroid Race Across the Sky

The kilometer-wide, potentially hazardous asteroid 1994 PC1 will fly past Earth on January 18th. Good news on two counts: It won't hit us, and it's bright enough to see in a 4-inch telescope.

Celestial News & Events

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

Jupiter stands alone at dusk. The Moon dances with Castor and Pollux while Iris creeps in the background. And you can't keep Venus down for long; its tiny crescent reappears at dawn.

Saturn and Mercury in the sunset, Jan. 12, 2022

Celestial News & Events

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

Mercury draws close to Saturn low in twilight, then turns shy and runs away. Jupiter watches from above. The Moon, careless of such goings-on, waxes through first quarter to show off for your telescope.

Moon Saturn and Mercury on 3-4 Jan 2022

Celestial News & Events

This Week's Sky at a Glance, December 31 – January 8

As the calendar flips to a new year, the night sky brims with bright stars, planets, and a potential meteor shower to help you celebrate.

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.

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