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Comet Leonard meets M3

Night Sky Sights

See Comet Leonard at its Best

The year's brightest comet is now on display in the predawn sky this week and next. Here's how to find it.

May 2021 lunar eclipse

Eclipses

A Near-Miss Total Lunar Eclipse

A near-total lunar eclipse will be widely visible across North America on the night of November 18–19. Dress warmly and go for it!

Earth and Uranus compared

Explore the Night with Bob King

Uranus Queues Up for Opposition

Journey to a remote planet then double back to check in on the latest stirrings of Comet 29P/Schwassmann-Wachmann before touching the finger of dawn.

Jupiter impact flash Oct. 15, 2021

Celestial News & Events

Jupiter Whacked Again? Japanese Astronomers Record Possible Impact

A group of Japanese astronomers just discovered a potential new impact at the planet Jupiter.

Comets

How Bright Will Comet Leonard Get?

We examine circumstances and expectations for the current apparition of Comet Leonard, which may become the year's brightest comet.

Conflagration, Expansion and Fade

Explore the Night with Bob King

Comet 29P Undergoes Brightest Outburst in Recent Years

Catch one of the most active small bodies in the solar system during a rare superoutburst.

Cassiopeia open clusters map

Explore the Night with Bob King

Cassiopeia Cornucopia — Pretty Little Clusters All in a Row

See nine unique open clusters in Cassiopeia while barely moving your telescope.

Pallas and Neptune time exposre

Explore the Night with Bob King

Asteroid Pallas Makes a Point in Pisces

Spice up your fall observing with a dash of Pallas and nibble of Neptune. Both planet and asteroid are easy to spot in a small telescope.

Possible Jovian impact flash

Solar System

Amateurs Spot New Impact Flash at Jupiter

An amateur astronomer has discovered a possible new impact flash in Jupiter's equatorial region. Observers may yet see the dark impact scar.

Comet 4P/Faye and tail

Night Sky Sights

Making Time for Morning Comets

If you like mixing comets with the quietude of observing in the small hours, September opens with five fuzzy vagabonds just waiting for a visit.

Jupiter and GRS

Explore the Night with Bob King

Jupiter Dazzles at Its Brightest and Closest This Year

Jupiter comes to opposition on August 20th, when it will shine brighter and closer than at any other time this year. With nights starting earlier and cooler temperatures arriving, there's no better time to make the most of the planet.

Celestial News & Events

Fine Show Expected from the Perseid Meteor Shower

With no interference from the Moon, this year's Perseid meteor shower should be excellent. If you couldn't catch the show last night, try looking up tonight!

RS Oph animation

Celestial News & Events

Recurrent Nova RS Ophiuchi Just Blew its Top!

The recurrent nova RS Ophiuchi just went into outburst — its first burst in 15 years — and it's bright enough to see with the naked eye

Doubles map east

Explore the Night with Bob King

Dazzling Double Stars for Compromised Skies

For many, smoke from wildfires has transformed summer nights, blotting out stars and familiar deep-sky sights. But through it all double stars keep on shining.

NGC 5453 globular cluster

Explore the Night with Bob King

In Heaven with M7, a Portal Into the Deep

M7 in Scorpius is one of the brightest, most beautiful open clusters in the sky. It's also "home" to a half-dozen other delectable deep-sky sights.

blue noctilucent clouds hover over trees and a pink sunset

Celestial News & Events

Noctilucent Cloud Show, a Mercurial Nova, and More

Summer only lasts so long. Like everything, it's transient. That will be our theme as we explore wispy noctilucent clouds, a nova that can't sit still, and a supernova in NGC 5427 in Virgo.

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

Variable Stars

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.

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