SUNSET: 
This Week's Sky at a Glance, May 16 – 25
Jupiter waves goodbye for the season. Mars forsakes Pollux and Castor and heads for Regulus. Saturn and Venus each pair up with the waning crescent Moon at dawn.
Titan Shadow Transit Season Underway
Titan shadow transits are rare, occurring only about every 15 years. Don't miss the chance to see one this observing season.
This Week's Sky at a Glance, May 9 – 18
Every month, the Moon takes four days to cross the sky from Spica to Antares. This week it goes unusually close to each of them.
"Cassini's Bright Spot" Beams at Full Moon
Rayed craters pepper the Moon especially around full. Cassini's Bright Spot is one of the most striking.
This Week's Sky at a Glance, May 2 – 11
In the evening sky, the Moon meets Mars meeting the Beehive. Low the dawn, Venus and Saturn contrast enormously in a telescope.
May Podcast: What to Call a Star?
This month we’ll look for tiny bits of Halley’s Comet; track down four planets; take stock of bright stars in the late-spring sky; and use the constellation Leo to learn what astronomers call all the stars that don’t have names. So grab your curiosity, and come along on this month’s Sky Tour episode.
This Week's Sky at a Glance, April 25 – May 4
The Moon passes Mars when Mars passes the Beehive. Sirius, the Winter Star, sinks away in the southwest. Arcturus, the Spring Star, shines high toward the southeast. Vega, the Summer Star, is already nosing up in the northeast. All at once.
Asteroid Vesta Now an Easy Catch in Binoculars
Vesta, both protoplanet and asteroid, reaches opposition on May 2nd. From a dark sky it's even visible with the naked eye.
This Week's Sky at a Glance, April 18 – 27
Bright Jupiter is getting lower in the west week by week and is nearly at its farthest from Earth. But it's still the brightest point in the evening sky, qualifying as the "Little Evening Star" in the absence of Venus.
See the Lyrid Meteor Shower the Night of April 21–22
The annual Lyrid meteor shower should put on a great show this year. Enjoy it with a dash of the "dark side" of Saturn's rings.
This Week's Sky at a Glance, April 11 – 20
The bright Moon pairs with Spica on Saturday the 12th. Three nights later, the waning Moon in the small hours occults one of the head stars of Scorpius.
New Comet SWAN Now Visible in Small Scopes
A new comet discovered in spacecraft images is bright enough to make you get out of bed before dawn.
This Week's Sky at a Glance, April 4 – 12
The first-quarter Moon joins the Mars-Pollux-Castor trio, which are on their way to lining up straight. When the Moon turns full, it will meet Spica.
New Nova in the "Teapot," Algol Blinks, and Uranus Occults a Star
A new nova for early risers plus three fun observing projects for the week ahead.
April Podcast: Celestial Carnivores
This month we’ll watch bright planets come and go, track down some celestial carnivores, and enjoy a splash of mid-spring meteors. So grab your curiosity, and come along on this month’s Sky Tour episode.
This Week's Sky at a Glance, March 28 – April 6
While waiting for sunrise on eclipse morning, can you catch Venus rising as a tiny, thin crescent? Go out earlier while the sky is still dark, and you get a preview of July evenings with Scorpius on the meridian.
Sunrise Solar Eclipse on March 29th for Eastern North America
The March 29th partial solar eclipse offers unique opportunities for photography and viewing alike.
T Coronae Borealis Isn't the Only Star Ready to Blow — Meet U Gem
As we wait on recurrent nova T CrB, dwarf nova U Geminorum is teeing up for its next 8-magnitude outburst.
This Week's Sky at a Glance, March 21 – 30
If you're in the US northeast or eastern Canada, start planning for the sunrise partial eclipse on March 29th! In the night sky the stern of the ship Argo is at its highest, abutting the stern of Canis Major.
This Week's Sky at a Glance, March 14 – 23
High overhead after dark, how accurately can you judge a celestial right angle? Watch the changing Castor-Pollux-Mars group to find out. Meanwhile the waning gibbous Moon will rise later and later, opening up dark-sky observing in the evening.
