1–20 of 459 results
Moonrise

Explore the Night with Bob King

Full Moon Fringe Benefits

The upcoming Hunter's Moon reminds us of the many ways we can enjoy observing our humble satellite.

Orange star in star field

Meet the Stars

Meet Scheat, the Peak of Pegasus

Meet Scheat, the orange giant star that peaks the Great Square of Pegasus in autumn skies in the Northern Hemisphere.

Jupiter up close

Explore the Night with Bob King

Jupiter's Exceptionally Close Opposition

A sentinel in the autumnal sky, Jupiter marks its closest opposition since 1963.

Vega brilliance

Explore the Night with Bob King

Vega, the Star at the Center of Everything

While we may quibble about how to pronounce its name, there's no denying that Vega is one of the most fascinating and useful stars in the heavens.

Battered Vesta

Asteroids

Observe Vesta — and Own a Piece of It, Too

Vesta's bright and easy to find in binoculars and maybe even with the naked eye in late summer skies. It's also just as easy to acquire a piece of it without a multi-billion dollar space mission.

People, Places, and Events

Peering Up Into Prairie Skies

The Nebraska Star Party offers truly dark skies enjoyed by veteran observers and first-timers alike.

Interferometry image of Rasalhague

Meet the Stars

Meet Rasalhague, the Star with the Snake

Rasalhague, a star rotating so fast it has squashed itself, has a fascinating connection to the mythology of healing.

Perseid 2021

Meteors

Perseids Are Coming, Full Moon or Not

Don't use a full Moon pass to skip this year's Perseid meteor shower. Right here, right now, we're going to help you make the most of it.

Earthshine painting

Explore the Night with Bob King

Solving an Earthshine Mystery

Something we take for granted about the crescent Moon's appearance may be nothing more than an optical illusion.

Iapetus transit single

Planets

See a Rare Transit of Iapetus on July 17–18

It's tiny. It's challenging. But you won't get the chance to see Iapetus transit the globe of Saturn again until 2037!

Titan and Tethys

Explore the Night with Bob King

Titan Occults a Bright Star, Mira Awakens, and Comet PanSTARRS Shines

Pick one or see them all. July offers a potpourri of celestial events for both naked-eye observers and telescope users that include a rare occultation by Saturn's moon Titan, a bright comet, and Mira at maximum.

The Sun with trees in the foreground

Sun

Meet The Sun, Our Home Star

In this installment of Meet the Stars, we get to know the nearest one: our Sun. Its properties — like its stability — likely led to life on Earth.

Dawn planet line

Explore the Night with Bob King

Solar System Gets its Ducks in a Row

We'll have not one but many opportunities to enjoy a rare lineup of the bright planets over the next few weeks. Amazingly, they'll be aligned in order of their distance from the Sun.

Tau Herculid fireball

Explore the Night with Bob King

Tau Herculid Meteors Surprise and Delight

We touch on the highlights of the memorable Tau Herculid meteor shower and also report on the recent outburst of the recurrent nova U Scorpii.

Geminid meteor shower

Meteors

Update on a Possible Outburst of Meteors

Will there be a new meteor shower on the night of May 30–31? There's only one way to find out.

Big Dipper

Explore the Night with Bob King

A New Way to See the Big Dipper

Unlike most asterisms, many of the Big Dipper's stars really are physically connected. They belong to a loosely bound stellar stream called the Ursa Major Moving Cluster.

Naked eye sunspots

Explore the Night with Bob King

How to Observe and Measure Naked-eye Sunspots

As Solar Cycle 25 ticks up, naked-eye sunspots are becoming more frequent. They're not only fun to observe, but with this simple method you can determine just how big they are. We also have news on a bright supernova!

Bright Lyrid

Explore the Night with Bob King

Celebrate Spring with the Lyrids

People have been watching the annual Lyrid meteor shower for more than 2,700 years. Come join the crowd!

Celestial News & Events

Plan Now for the 2023 Solar Eclipse in Western Australia

Here's what to know if you want to see this hybrid (mostly total) solar eclipse next year.

Halpha sun with prominences

Sun

How to Look at the Sun Safely

Our star is an amazing object to observe, whether by eye or with optical aid. These time-tested tips will let you see the solar disk worry-free.

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