281–300 of 603 results

Moon

Crack Your Crescent Moon Record

Calling all crescent lovers! Here's a chance to set a new personal record by seeing one of the oldest moons ever.

Deep Sky

Treasure Hunting in the Hall of the Deep-Sky King

Cepheus, the King, has hidden his treasure well but not so much that curious amateurs can't find more than enough to stuff their pockets.

Interstellar Comet Borisov

Comets

Will Amateurs Be Able to See the New Interstellar Comet?

Only the second object thus far to visit the solar system from interstellar space, Comet Borisov is expected to reach perihelion in December. What can we see now?

Meet the Stars

Meet Barnard’s Star, Our Red Dwarf Neighbor

This faint red dwarf star is famous not because it's bright but because it's fast-moving — you can actually see it moving across the sky if you track it over several years.

Crowning glory

Daylight Phenomena

Volcanoes Turn Twilights Purple

A rash of unusually colorful sunsets follows in the wake of two major volcanic eruptions. 

Trojan asteroids

Asteroids

Be a Warrior — Tackle a Trojan Asteroid

You've seen Jupiter and its four brightest moons. Now meet the rest of the family — the Trojan asteroids.

Deep Sky

Get to Know the Ghostly Galaxies of Sagittarius

We often think of Sagittarius as home to one galaxy only — the Milky Way. But two members of the Local Group and a smattering of fainter galaxies reside here, too.

Roadmap to a stellar nursery

Deep Sky

Wallow a While in the Lagoon Nebula

We take a dip in one of summer's finest nebulae and explore everything from spooky Bok globules to the tornadic Hourglass Nebula. Don't forget your snorkel, er, telescope! Sometimes a single deep-sky object becomes your whole universe. So it was for me when I took several deep wades in the…

Multifaceted world

Planets

Lonely Pluto Is More than a Speck

With Saturn pointing the way, it's easy to venture into the Kuiper Belt this summer and pay a visit to Pluto.

Armstrong, Aldrin & Collins

Moon

Celebrate Apollo 11 with a Visit to Armstrong, Aldrin and Collins Craters

Find the craters named for the three astronauts who flew the first manned mission to land on the Moon.

Canopus

Meet the Stars

Meet Canopus, the Second Brightest Star

The second-brightest star after Sirius, Canopus is visible in southern skies, shining out of the constellation Carina.

Planets

A Spoonful of Saturn to Sweeten the Night

Move over Jupiter, it's time for Saturn to shine! At opposition this week, the ringed planet is at its brightest and closest for the year.

29Pgoes pop!

Comets

Where Have All the Comets Gone?

It seems like forever since a bright comet has come around. We look at current and future prospects.

Deep Sky

See Southern Hemisphere Stars in This Journey to the Bottom of the Sky

How Low Can You Go? Journey to the Bottom of the Sky

Diamond Ring

Eclipses

Plan for the Next Total Solar Eclipse

Totality is addictive — once you've seen one total solar eclipse, you're hankering for the next one. Some exciting destinations are getting ready for their dances with darkness.

Deep Sky

Welcome Back, Milky Way!

Twilight's end brings the return of the summer Milky Way to the eastern sky. We unravel the anatomy of our home galaxy by teasing out the hidden structures within that glowing band. 

An arm to the sun

Space Satellites

SpaceX Launches First Volley of Starlink Satellites

The 60 Starlink satellites parading across the sky make an incredible sight, but some skywatchers wonder at what cost to the night.

Star queen of Serpens

Deep Sky

See Bright Nebulae Millions of Light-Years Away

We leave the Milky Way behind and venture out to explore giant star-bursting regions in the galaxies M101 and NGC 2366.

Bob King Watches an ISS pass

Space Satellites

Watch International Space Station Flybys All Night Long

The annual International Space Station marathon viewing season begins later this week, when skywatchers in the Northern Hemisphere can watch up to five successive ISS passes in one night.

Spica and Corvus

Meet the Stars

Meet Spica, the Ear of Grain

Meet Spica, the "ear of grain" in the constellation Virgo. This bright star is actually part of a binary orbiting so closely, they tug each other out of spherical shapes and whirl around each other every four days.