SUNSET: 
Explore the Night with Bob King
Do We Have Pieces of Pallas on Earth?
Chips of Pallas grace meteorite collections around the world. See where they all came from when the asteroid reaches opposition this spring.
How to See All Six Apollo Moon Landing Sites
Walk in the astronauts' footsteps as you explore the places they visited in the heyday of Apollo program. Use these helpful maps to start you on your way.
Explore the Night with Bob King
Rosetta's Comet Campaign Wants YOU!
Participate in a world-wide campaign to observe and photograph Comet 67P/C-G as it approaches and recedes from the Sun with Rosetta in tow. Your observations matter.
Explore the Night with Bob King
One Small Order of Ring Galaxies, Please
"One Ring to rule them all." Join me as we explore a unique class of galaxies forged in the chaos of collision.
Crazy About Concentric Craters
With the Moon riding high this week, what better time to look for its three best-known yet enigmatic "ring" craters? We welcome back the waxing Moon this week. It's a chance for many of us to put dark-sky targets on the back burner and give some love to she who lights the night.…
Where to See Comet Lovejoy Tonight
The new Comet Lovejoy, C/2014 Q2, should brighten from 5th to 4th magnitude from late December through January as it climbs into excellent viewing position for the Northern Hemisphere, high in the dark winter sky.
Binocular Comet Lovejoy Heading Our Way
A new Comet Lovejoy, C/2014 Q2, is heading our way. It may brighten to 5th magnitude from late December through much of January as it climbs into excellent viewing position for the Northern Hemisphere, high in the dark winter sky.
Explore the Night with Bob King
Shadows on the Moon Make a Point
Fooled by shadow play into thinking lunar mountains were pointy pinnacles? Learn why we often see them that way.
Watch Asteroid Juno Occult a Star
Watch an asteroid approach a star and block its light, all in a fraction of a second.
Explore the Night with Bob King
Fomalhaut: A Crazy-Wide Triple Star
Lonely Fomalhaut turns out to have plenty of company. Learn how to find its two remarkably distant stellar companions.
How to Never Miss an Aurora
Learn exactly how and when to expect the next display of the northern lights with a few easy-to-use online tools.
Explore the Night with Bob King
Meet My Variable Friend SS Cygni
Get acquainted with SS Cygni, the sky's brightest cataclysmic variable star. It's guaranteed to keep you on your toes.
How to See Cygnus's Other Veil Nebula
You'll be entering uncharted territory when you seek out this little known 'Shadow of the Veil' in Cygnus this summer.
Explore the Night with Bob King
Earth's Shadow Creeps Up on Us Every Night
The next time you're out watching a sunset, turn around and relish the mighty shadow of Earth looming just behind your back.
Blank Sun? Faculae to the Rescue!
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.
Predictive Prowess: See an Iridium Flare
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.
Explore the Night with Bob King
See Summer's Best Naked-Eye Double Stars
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.
Super-close Pairing of Ceres and Vesta
Two bright asteroids now appear extremely close to one another in the evening sky. Here's how to spot them in binoculars or a small telescope.
Jupiter's Not-So-Great Red Spot
Astronomers don't know why Jupiter's iconic Great Red Spot has been gradually shrinking since the 1800s — or why the downsizing has accelerated during the past two years. Update: On May 15th, NASA released newly taken images of the Great Red Spot (at bottom below) to show its declining size…
