241–260 of 459 results
Roadmap to a stellar nursery

Observing

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…

Fireball Over Ontario

Explore the Night with Bob King

Fireball May Have Dropped Meteorites in Ontario

A lime-green meteor as bright as the full Moon streaked across Canadian skies on July 24th and may have delivered free samples from the asteroid belt.

Multifaceted world

Observing

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

Astronomy & Observing News

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.

29Pgoes pop!

Observing

Where Have All the Comets Gone?

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

Observing

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

Observing

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. 

Observing

Freaky Noctilucent Clouds Break Out All Over

Night-shining clouds made of ice and meteor smoke are on the increase. We explore their origins and how to see them.

Flakey Red Spot

Observing

Jupiter Is Outstanding at Opposition

Prime-time Jupiter viewing kicks off this month when the planet reaches opposition on June 10th. 

An arm to the sun

Observing

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.

Bob King Watches an ISS pass

Observing

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.

Bumbling along

Explore the Night with Bob King

The Moon Bumbles Into the Beehive Friday

The thick crescent Moon occults oodles of stars in the Beehive star cluster Friday evening for much of the Americas.

Observing

An Excellent Year for the Eta Aquariid Meteor Shower

With no Moon to muss, take a crack at seeing the Eta Aquariids, which could be one of the better meteor showers of the year.

Observing

Hunting Bright Variable Stars in M5 and M13

Globular clusters are packed with variable stars, some of which are easy to see and follow in amateur telescopes. We explore M5 and M13, two of the season's finest.

Observing

Double-Star Date with a Dragon

For your enjoyment, a diverse selection of double stars in Draco for small and medium telescopes.

Observing

Yanking Markarian's Chain

Markarian's Chain, a remarkable arc of bright galaxies, is your ticket to the Virgo Cluster. Hop aboard!

Observing

Twinkle, Twinkle Quasi-Star — 12 Quasars for Spring Evenings

Quasars are among the brightest and most distant objects in the universe. Many are visible in amateur scopes if you know just where to look. We'll help you track them down.

Protoplanet of intrigue

Observing

Pop in on Pallas and Iris Tonight

Break out your binoculars or telescope the next clear night for a peek at the bright asteroids Pallas and Iris, both at opposition this spring. 

Astronomy & Observing News

Amazing Images Capture Giant Fireball Exploding Over the Bering Sea

A powerful fireball exploded over the wilds of eastern Russia last December. Satellites captured the whole thing. 

Observing

How to See Sirius in the Daytime

Spotting Sirius in broad daylight may be easier than you think! Here's how to do it.

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