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M56 globular

Night Sky Sights

Summer Nights Offer Splendid Sights in Lyra

Lyra, the Lyre, offers a wonderful assortment of double stars and deep-sky objects to keep you up at night. Break out your binoculars and telescope and join me for a summertime ramble.

Red nova

Celestial News & Events

Bright Nova in Hercules on a Roller Coaster Ride

A new bright nova discovered in Hercules at 8th magnitude briefly rose to naked-eye visibility. It's currently easily visible in a pair of binoculars.

Explore the Night with Bob King

Chasing the Sun at 39,000 Feet

Sky & Telescope's annular-eclipse flight chased down the "ring of fire" eclipse in the skies above Canada for breathtaking views.

Annular eclipse

Celestial News & Events

A Sunrise Annular Solar Eclipse

Even if you're not in the path of annularity during the June 10th solar eclipse, get ready for a sunrise spectacle.

Night Sky Sights

Dawn Delight: Catch the Total Lunar Eclipse on May 26th

On May 26th the Moon will be in total eclipse for the first time in nearly two and a half years. While timing favors western North America, a partial eclipse will be visible across much of the U.S. and Canada at dawn.

V1405 Cas scene

Explore the Night with Bob King

Nova in Cassiopeia Brightens Suddenly

A star in the constellation Cassiopeia that flared into view during mid-March has erupted to naked-eye visibility. Catch it while you can!

HD 122563 closeup

Explore the Night with Bob King

In Search of Ancient Suns

We track down and admire five of the most ancient stars in the universe.

Hubble photo of M3

Explore the Night with Bob King

Hunting Barnard's Variable in the Globular Cluster M3

We beat a path through a forest of stars to find the first variable star ever discovered in a globular star cluster.

Three novae

Celestial News & Events

A Bouquet of Novae Brightens April Nights

With the recent discovery of Nova Scorpii 2021 earlier this week, three bright stellar explosions are now visible in small telescopes from dusk till dawn.

Night Sky Sights

Make the Most of Comet ATLAS

Bright comets will be scarce this year, but you can see one of the better ones this month as it races from Aquila to Canes Venatici. In other news, a new, bright nova has flared in Sagittarius.

Europa eclipses then occults Io

Celestial News & Events

Mutual Event Season Heats Up at Jupiter

Jupiter is usually the one occulting and eclipsing the Galilean moons, but this observing season the moons also eclipse and occult one another.

Deep image of V1405 Cas nova

Stellar Science

Bright Nova Erupts in Cassiopeia

A new nova in Cassiopeia, discovered on March 18th, is bright enough to see in a small telescope.

NGC 3190 group / Hickson 44

Night Sky Sights

Exploring Bright Galaxy Groups in Leo

Leo, the Lion, stands high in the southern sky during the early spring. We visit some of the constellation's brighter galaxy clumps then go asteroid hunting.

Battered Vesta

Asteroids

March — A Good Time to Visit Vesta

Dip into this easy guide to seeing the brightest asteroid, Vesta, and understanding what makes it unique.

IC 418 planetary nebula

Explore the Night with Bob King

A Deep-sky Hippity-hop through Lepus, the Hare

Snare a dozen bright double stars and deep-sky objects in the celestial Hare the next clear night. We also provide details on how to watch the potentially hazardous asteroid Apophis occult a star the night of February 21st.

Daytime planet fest

Celestial News & Events

Planets and Comets Can't Hide from SOHO's Eye

With the help of the Solar Heliospheric Observatory you can not only keep track of the planets in the daytime sky but maybe even discover a comet.

Comet 67P/Churyumov-Gerasimenko

Night Sky Sights

Comet Watch 2021

If you own an 8-inch or larger telescope you might see more than a dozen new and returning comets this year, including one potential naked-eye candidate.

Deep-sky map Capella region

Explore the Night with Bob King

Foraging for Deep-sky Delights with Capella, the Goat Star

We explore deep-sky riches within a stone's throw of Capella, one of the season's brightest stars.

Planets

Jupiter and Saturn Embrace in Solstice Conjunction

Jupiter and Saturn fashion the Great Conjunction of 2020 when they pair up on December 21st, the winter solstice. That evening they'll be closest in nearly 400 years.

Path of the solar eclipse on December 14, 2020.

Celestial News & Events

A South American Total Eclipse

The Moon’s shadow visits Chile and Argentina again. If you can't be there, watch online!

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