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Triple stars finders

Explore the Night with Bob King

Winter's Finest Triple Stars

Double stars are wonderful, but triples are terrific! Here are 16 trios to enjoy the next clear night.

12P/Pons-Brooks with tail

Explore the Night with Bob King

The Best Comets to Look for in 2024

If you like chasing comets, here's a guide to the year's best and brightest.

Berlin fall fragment

Explore the Night with Bob King

Asteroid 2024 BX1: From a Light in the Sky to Rocks on the Ground

The asteroid 2024 BX1 went from a moving dot of light to rocks on the ground in mere hours — and amateur astronomers were critical to both discovery and recovery.

Bellatrix

Night Sky Sights

Meet Bellatrix, the Amazon Star

It's fitting that Bellatrix, the star at Orion's other shoulder, takes the name of "woman warrior," but it wasn't always that way.

Diamond ring sequence

Celestial News & Events

Solar and Lunar Eclipses in 2024

Although no total lunar eclipses occur this year, skywatchers can look forward to two “central” solar eclipses — including a much-awaited total eclipse that spans the U.S. from Texas to New England.

Crab Nebula

Explore the Night with Bob King

The Night I Met the Crab Pulsar

An account of my journey to the heart of one of most violent cosmic explosions witnessed on Earth. Plus, there's a bright supernova now visible in a Virgo Cluster galaxy.

Bright Geminid meteor over Tucson

Celestial News & Events

The Best Meteor Showers in 2024

The beloved Perseid meteor shower of the August vacation season will evade the moonlight in 2024, at least during the best early morning meteor-watching hours. The Lyrids and Geminids aren't so lucky.

Geminids and aurora

Celestial Objects to Observe

Catch Luyten's Star and the Quadrantid Meteor Shower

Relish the slow, steady pace of nearby Luyten's Star then switch things up with speedy meteors from a well-timed shower.

Moon nearly first quarter

Celestial Objects to Observe

Getting Started with Your New Telescope

How to start successfully 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.

Jupiter, Ganymede, Europa and double shadows, March 25, 2019

Celestial News & Events

Watch Jupiter's Moons in Unusual Lineups

You'll have five opportunities in the coming months to see Jupiter's moons in interesting alignments.

Vesta and Orion

Solar System

Vesta Sets Sail Across Orion

Look who's visiting this winter in Orion: Vesta, a bright asteroid with a dark side.

Geminids 2020

Explore the Night with Bob King

Get Ready to Greet the Geminid Meteor Shower!

The year's most spectacular meteor shower is upon us. Prepare to enjoy the Geminids under a dark, moonless sky, when you might see more than 100 meteors per hour.

Babylonian clay tablet recording eclipses

Eclipses

How Did the Ancients Predict Eclipses? The Saros Cycle

Before the advent of computers or even a working theory of the solar system, the ancients predicted solar eclipses. How did they do it?

Titania from Voyager 2

Occultations

Watch Uranus's Moon Titania Cover a Star Monday Night

Observers across much of the U.S. and Canada have a unique opportunity Monday night, November 20–21, to see Uranus's brightest moon occult a star.

GRS 2017 Juno

Explore the Night with Bob King

Jupiter's Great Red Spot Just Keeps Getting Smaller

Jupiter's Great Red Spot may be reaching a milestone this year by shrinking to its smallest size in recorded observational history.

Enif

Meet the Stars

Meet Enif, the Nose of Pegasus

Enif, the nose of Pegasus, is a supergiant star and the brightest member of the constellation. Find out more about this star and its place in our skies.

Starlink flares

Explore the Night with Bob King

How to See Freaky Starlink "Cluster Flares", Plus the Latest on Comet Lemmon

Alien invasion or flares from satellites in multiple orbits? It depends on your point of view. We also check in on Comet Lemmon, poised to possibly reach binocular-visibility.

Orionid composite 2015-2022

Explore the Night with Bob King

Orionid Meteors Fly; Two Moons Shadow Jupiter

Bundle up and enjoy the Orionid meteor shower under moonless skies this week. Don't miss the warm-up act, either, when two of Jupiter's moons pair up in a captivating double-shadow transit.

Annular eclipse sequence

Eclipses

How to Observe the October 14th Annular Solar Eclipse

If you'll be in the path of the October 14, 2023, annular eclipse, here's what you can look for as the Moon covers the face of the Sun.

Annular eclipse

Celestial Objects to Observe

Where to Watch the October 14th Annular Solar Eclipse Online

If you can't see the annular solar eclipse in person, we've got some online viewing opportunities for you.

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