Our current visitor from the Oort Cloud, rising into northern skies at last, can be glimpsed with binoculars low in the east before dawn. Spotting it will be especially easy on December 7th.
After taking us to Comet Catalina's doorstep, the Moon covers Venus in a spectacular daytime occultation visible from most of North and Central America on Monday, December 7, 2015.
This month offers great variety in the night sky: planets (and a comet!) before dawn, a strong meteor shower, and a parade of bright stars after sunset.
This year's Leonid meteor shower, which peaks tonight, will offer modest numbers of "shooting stars" — but might reward you with some dazzling fireballs.
Comet Catalina returns this month with naked-eye potential. Follow its every move with our guide and maps.
Big bits of Comet Encke are streaking into Earth's upper atmosphere and attracting attention around the world, as the Taurid fireball display of 2015 continues.
If you see a really bright autumn fireball, it might be a Taurid meteor — a fragment of Comet 2P/Encke.
Astronomers can't decide whether the sizable object known as 2015 TB145, which is cruising past Earth today, is a renegade asteroid or a dead comet.
Bright planets are putting on a show in the predawn sky, and evenings feature a mythical horse flying upside-down across the sky.
The recently discovered asteroid 2015 TB145 won't come especially close to Earth on October 31st, but it's big enough to be seen in medium-size backyard telescopes.
Venus and Jupiter, the two brightest planets, draw close together in the eastern sky before dawn, creating an ever more eye-catching spectacle for skywatchers. They're in conjunction October 25 and 26.
Now is the time to track the secret space plane X-37/B on its OTV-4 mission.
Watch for any slow, unusual meteors starting at nightfall tonight and tomorrow.
Aurora borealis possible October 7, 2015
Early risers will be treated to wonderful groupings of bright planets, and evening sky offers excellent stargazing as well.
After a late-night ramble through the Hyades cluster, the waning gibbous Moon will cover up the bright star Aldebaran for observers across North America Friday morning.
Call it a blood Moon, supermoon, harvest Moon, a portent of the apocalypse, or just a regular ol' total lunar eclipse — for those who caught a glimpse, last night's celestial event did not disappoint. Sky & Telescope editors had been looking forward to last night's total lunar eclipse for a multitude reasons. For starters,…
On the night of September 27–28, the full Moon will plunge completely through Earth's shadow for the last time until January 2018.
Visit SkyandTelescope.com on the night of September 27th to watch our exclusive webcast of the last total lunar eclipse anywhere until 2018.
Does your version of stargazing involve pointing your telescope at the Sun? With the right equipment, you can aid a project that aims to catch a solar flare in the act of erupting. The observing campaign is coming up soon: September 19 - 27, 2015.
Residents of southern Africa get to watch the Moon cover part of the Sun not long after (or during) sunrise on Sunday, September 13th.
This month's stargazing features pretty planetary treats in the eastern sky before dawn — and the last total lunar eclipse visible until 2018.
Dozens of solar specialists are coordinating outreach activities for a coast-to-coast total solar eclipse that's only two years away.
Meteors bright and faint rewarded patient watchers of the 2015 Perseid meteor shower. And the show continues tonight.
This year there's no Moon, and the Perseid meteor shower should peak at just the right time for North America. Every three years, more or less, the Moon is new around the peak night of the Perseid meteor shower — and it's that time again. New Moon falls on August 14th, which gives us a…