SUNSET: 
Volcanoes Turn Twilights Purple
A rash of unusually colorful sunsets follows in the wake of two major volcanic eruptions.
Explore the Night with Bob King
Be a Warrior — Tackle a Trojan Asteroid
You've seen Jupiter and its four brightest moons. Now meet the rest of the family — the Trojan asteroids.
Explore the Night with Bob King
Get to Know the Ghostly Galaxies of Sagittarius
We often think of Sagittarius as home to one galaxy only — the Milky Way. But two members of the Local Group and a smattering of fainter galaxies reside here, too.
Explore the Night with Bob King
Good Morning, Orion!
An August jaunt at dawn reacquaints us with the constellation Orion, the harbinger of winter.
Texas Amateur Detects Possible Impact on Jupiter
It looks like Jupiter got slammed again! A bright flash from a possible impact lit up the planet's South Equatorial Belt Tuesday night.
Explore the Night with Bob King
Perseid Prospects, Mornings with Mercury and the Lunar X
With the Perseid shower, a great morning apparition of Mercury, and a chance to see craters scratch out an X on the moon, skywatchers have a busy week ahead!
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…
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.
Explore the Night with Bob King
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.
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.
Explore the Night with Bob King
Where Have All the Comets Gone?
It seems like forever since a bright comet has come around. We look at current and future prospects.
Explore the Night with Bob King
How Low Can You Go? Journey to the Bottom of the Sky
How Low Can You Go? Journey to the Bottom of the 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.
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.
Explore the Night with Bob King
Jupiter Is Outstanding at Opposition
Prime-time Jupiter viewing kicks off this month when the planet reaches opposition on June 10th.
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.
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.
Explore the Night with Bob King
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.
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.
