161–180 of 440 results
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

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

Explore the Night with Bob King

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.

Explore the Night with Bob King

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.

Double Stars

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

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. 

Explore the Night with Bob King

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

Celestial News & Events

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

Celestial Objects to Observe

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

Celestial News & Events

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

Celestial News & Events

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.

Celestial News & Events

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.

Explore the Night with Bob King

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.

Explore the Night with Bob King

Double Date with a Dragon

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

Celestial Objects to Observe

Yanking Markarian's Chain

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

Variable Stars

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

Explore the Night with Bob King

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. 

Explore the Night with Bob King

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.