SUNSET: 
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.
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.
August Will Have Two New Moons! What’s the Big Deal?
First there were "blue Moons;" now there are "black Moons." What do these terms mean . . . and do they matter?
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.
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.
From the Frontline of Totality: Sky & Telescope Reports
Thousands of spectators, professional astronomers, and several Sky & Telescope editors traveled to see totality from the ground — and sky.
Where to Watch the July 2, 2019 Total Solar Eclipse Online
Whether cloudy skies or airfare prevent you from seeing the total solar eclipse on July 2nd, you can still see totality via one of the multiple webcasts we compile here.
July 2019: Stalking the Scorpion
Download July's Sky Tour astronomy podcast for a guided exploration of the planets, stars, and constellations in the evening skies of summer.
Jupiter Is Outstanding at Opposition
Prime-time Jupiter viewing kicks off this month when the planet reaches opposition on June 10th.
June 2019: Peekaboo Planets
This month's Sky Tour podcast starts with a solstice update and a rundown of lunar phases, then helps you find four planets in the evening sky along with the best stars and constellations of early summer.
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.
Jupiter's Great Red Spot Unfurls
Jupiter's South Equatorial Belt appears to be pulling material from the Great Red Spot in an event that's visible from small scopes.
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.
An Excellent Year for the Eta Aquariid Meteor Shower
With no Moon to muss, take a crack at seeing the Eta Aquariids, which could be one of the better meteor showers of the year.
April's Lyrid Meteor Shower
The Moon gets in the way of April's Lyrid meteor shower, but it's still worth scanning the sky for the chance of fireballs.
