SUNSET: 
2020 Total Solar Eclipse: Update from Patagonia
Check out the viewing site and accommodations in Argentina's lush Lake District for Sky & Telescope's expedition to witness the 2020 total solar eclipse on December 14, 2020.
Explore the Night with Bob King
Geminids and the Moon Duke it Out
Don't let light from the gibbous Moon discourage you from enjoying the annual Geminid meteor show on the peak night, December 13-14.
Meteor Shower Was a Dud, But Showing Up Was Half the Fun
The Alpha Monocerotids happened as predicted, even if not quite as we expected.
Explore the Night with Bob King
Intense Meteor Storm Expected from the Alpha Monocerotids
Circle the date November 21st on your calendar, when a brief but potentially spectacular meteor storm might light up the night.
Capturing the Transit of Mercury
Though clouds blocked the sky for many yesterday, those with a clear view had the chance to see tiny Mercury cross the face of the Sun.
Explore the Night with Bob King
Don't Miss Monday's Rare Transit of Mercury
On Monday, November 11th, Mercury will pass directly in front of the Sun and look a tiny black dot silhouetted against the brilliant solar disk. The event, called a transit, occurs approximately 13 times a century.
Citizen Science with the Transit of Mercury
If you're planning on watching the November 11th transit of Mercury, try kicking it up a notch — watch with a friend and calculate the distance between Earth and the Sun!
"Potentially Hazardous" Asteroid Is Headed For Your Telescope
A potentially hazardous asteroid makes a flyby of Earth this Friday, offering amateurs with modest telescopes a chance to ride along.
Crack Your Crescent Moon Record
Calling all crescent lovers! Here's a chance to set a new personal record by seeing one of the oldest moons ever.
Explore the Night with Bob King
Autumn Comets, Mira's Eye & The Orionid Meteor Shower
Four comets, a famous variable star, and sprinkles of dust from Halley's Comet are highlights of the October sky.
International Observe the Moon Night 2019
Observe the first-quarter Moon on October 5 for International Observe the Moon Night. Here's a guide to tell you what to look for.
October 2019: Giant Planets & Bits of Comet
This month's Sky Tour let's you enjoy close pairings of the Moon with Jupiter and Saturn; explore interesting stars and constellations, and keep watch for blazing bits of Halley's Comet.
Will Amateurs Be Able to See the New Interstellar Comet?
Only the second object thus far to visit the solar system from interstellar space, Comet Borisov is expected to reach perihelion in December. What can we see now?
100 Days Until Christmas “Ring of Fire” Eclipse
Here’s everything you need to know about the annular solar eclipse that will cross over much of Asia on December 26, 2019.
Explore the Night with Bob King
Another Interstellar Visitor Is Headed Our Way
An amateur astronomer has discovered a comet that might be the second interstellar visitor after 'Oumuamua — and it's heading for its closest approach to the Sun late this year.
Explore the Night with Bob King
Volcanoes Turn Twilights Purple
A rash of unusually colorful sunsets follows in the wake of two major volcanic eruptions.
September 2019: Triangle Time
Download September's Sky Tour astronomy podcast for tips on observing Jupiter, Saturn, and the easy-to-spot Summer Triangle.
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.
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.
August 2019: Stars of Summer
Download August's Sky Tour astronomy podcast for tips on observing the Perseid meteor shower and the key planets, stars, and constellations in the evening skies of summer.
