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...
Conditions are ideal for watching this year's Perseid meteor shower. Plan ahead!
Deep snow, high winds, and dropped cameras didn't stop dozens of observers in New Zealand and Tasmania from recording Pluto's occultation of a bright star on June 29th.
Comet C/2014 Q1 PanSTARRS has been skirting the northern horizon since mid-June. Now it's ready to dip Down Under, where it may be visible with the naked eye in evening twilight.
For the last few weeks, countless numbers of the world’s 7 billion people watched the western evening sky as the two brightest planets, Venus and Jupiter, edged closer and closer to one another. Last night, June 30th, they reached their least separation: 0.3° apart (at the time of twilight for the Americas).
The two brightest planets are gliding closer together in the early evening sky, and their celestial dance culminates with an ultra-close pairing on June 30th.
Stargazing in July is warm and pleasant. After sunset Venus and Jupiter are together in the west and Saturn is low in the south amid the stars of Scorpius.
An auroral display on June 22nd surprised and delighted viewers in Northern America, Europe, and southern Australia.
It's no myth. Icarus makes a rare flyby of Earth this week. Here's how to see it in your telescope and live online.
On June 11, 2015, the moon will occult Uranus. Here's a webcast.
Watch as the two brightest planets — Venus and Jupiter — edge closer together and culminate on June 30th with a dramatically close pairing.
For sunwatchers who've been disappointed by this weak solar maximum, Active Region 2339 offers something to cheer about.
The three brightest planets — Venus, Jupiter, and Saturn — grace our evening skies this month. Elusive Mercury makes a brief appearance too!
A 6th-magnitude nova erupted inside the Sagittarius Teapot and reached 4th magnitude. Now it has started fading.
Although typically weak, the annual Lyrid display will benefit from moonless skies. This year's peak, late on April 22nd, favors Europe over North America.
Amateur skygazers can satisfy their celestial cravings with Globe at Night, International Dark-Sky Week, Astronomy Day, and Global Astronomy Month.
In a borderline eclipse of the Moon like last Saturday's, the difference between "total" and "partial" depends on some crucial assumptions.
Most sources say April 4th's lunar eclipse will be total, though only barely so. However, those calculations have overlooked a subtle factor that might render the event only "partial."
An unusually brief total eclipse of the Moon will be visible before dawn this Saturday, April 4th, from western North America. The eclipse happens on Saturday evening for Australia and East Asia.
There's much to take in during Saturday morning's total lunar eclipse, including a rare Moon-galaxy pairing, the splendid summer Milky Way, and a chance to see your shadow reach all the way to the Moon.
The stars of northern winter linger in the west as celestial bears, a lion, and a snake climb in the east. Meanwhile, Jupiter and Venus sparkle overhead.
With risky prospects on far-northern islands and at a premium aboard aircraft, observers looked on with awe as the Moon's shadow swept across the Arctic Ocean
As the countdown for Friday's total solar eclipse nears zero, "umbraphiles" from around the world are flocking to remote parts of the far north in the hope of finding clear skies.