Lonely Fomalhaut turns out to have plenty of company. Learn how to find its two remarkably distant stellar companions.
Learn exactly how and when to expect the next display of the northern lights with a few easy-to-use online tools.
Ten thousand stars bedazzle the eye on a dark night. Wait, how many?
Get acquainted with SS Cygni, the sky's brightest cataclysmic variable star. It's guaranteed to keep you on your toes.
Watch as the moon Rhea steals a star from the sky for nearly a minute on September 12th.
With a subtle beauty all its own, the earthshine we see glowing in the lunar night invites us to consider Earth's many connections to the Moon.
Seize the moment and bookend your next clear night with two fine telescopic comets: Jacques at dusk and Oukaimeden at dawn.
Here's your invitation to view a spectacular close conjunction of the sky's two brightest planets, Venus and Jupiter, before dawn on Monday morning.
You'll be entering uncharted territory when you seek out this little known 'Shadow of the Veil' in Cygnus this summer.
The next time you're out watching a sunset, turn around and relish the mighty shadow of Earth looming just behind your back.
Fascinating faculae provide a way for anyone with a small telescope to track the ups and downs of the solar cycle — even when there are no sunspots.
Channel your inner superpower by looking up at the night sky precisely when a dazzling blaze of light is beamed to Earth from outer space.
Not every set of closely paired stars requires binoculars or a telescope to "split". Here's a guide to summertime doubles you can tackle with your eyes alone.
On July 5th, the Moon has a remarkably close brush with Mars, followed two nights later by a similar rendezvous with Saturn.
Astronomers now know the secret of this moon's strange two-faced appearance, but it's still remarkable to watch the "now you see it, now you don't" performance as it moves around Saturn.
Noctilucent clouds form at the boundary between Earth and space. Their electric blue billows incite the imagination and inspire us to keep watch at dusk for their arrival.
Since C/2012 K1's discovery two years ago, this first-time visitor from the outer solar system has brightened steadily and is now within reach of a small telescope and even binoculars.
How does the little $100 scope stack up against its venerable bigger brother?
No photograph can compare with the experience of viewing Saturn directly — something that's possible with even the smallest telescopes.
A reader expounds the virtues of electronic navigation — for automobiles and telescopes.
Measurements with a Sky Quality Meter indicate that none of the author's observing sites has gotten significantly brighter over the last 5 years.
The key to maintaining your integrity and sanity in the computer age is to make sure that electronics are your servant, not your master.
Hanging high overhead on autmun evenings, the North America Nebula is the season's best — assuming that you have dark skies to enjoy it and a good roadmap to help you interpret it.
Flashlights create a little bubble of excellent visibility, at the cost of hiding the wider world.
It's hard to find a legal wilderness campsite in the U.S. Northeast that has a decent view of the night sky. But when you do, it's well worth the effort.