-
Summer Solstice Marks Changing Seasons on Earth TodaySummer official begins in the Northern Hemisphere on Friday. Here's how it works.
-
Types of CloudsClouds form in three basic patterns or classifications: cirrus, stratus and cumulus.
-
See Jupiter and Moon Pair Up on St. Patrick's DayThe celestial duo will dance together Sunday evening.
-
Comet Pan-STARRS Near the Moon Tonight: How to See ItThe moon maybe the perfect guide to spot Comet Pan-STARRS in the night sky on Tuesday night (March 12).
-
Stargazer's Delight: Moon Gets Close to Bright Star TonightThe waxing gibbous moon will be really close to the bright star Spica.
-
Serious Stargazing: Spot Bright Star Sirius This WeekThe brightest star in the night sky is on full view now.
-
18th-Century Astronomer's Legacy Visible in Southern Night SkyNicolas-Louis de Lacaille catalogued the positions of 9,766 southern stars in just 11 months in the 1750s.
-
'Demon Star' Glowers in Night Sky This WeekThe blinking star Algol is actually a pair of eclipsing stars.
-
Asteroid 2012 DA14's Friday Flyby: A Stargazer's GuideHow to give yourself the best chance to see the asteroid's historic close approach.
-
How to See a Cosmic Bunny and Dove in Night SkyThe winter night sky offers a chance to view underappreciated constellations.
-
NASA Rocket to Spark Light Show Over US East Coast TonightThe bright red, artificial night sky clouds may be visible from all along the U.S. East Coast, weather permitting.
-
See Jupiter and Moon Shine Dazzlingly Close Together MondayJupiter and the moon will appear extra bright, and the closest they will be until 2026.
-
Two Star Clusters Shine in Night Sky This WeekThese two star clusters contain hundreds of stars each.
-
See Venus Bid Crescent Moon Farewell Early ThursdayVenus and the moon will shine close together before dawn on Jan. 10.
-
Dazzling Comet of 2013 May Be Among Brightest Ever SeenComet ISON could put on an amazing show when it passes close to the sun late this year.
-
See Saturn, Moon and Star Form Cosmic Triangle Early SundaySkywatchers up before dawn Sunday can watch a celestial dance unfold.
-
Moon May Outshine Quadrantid Meteor Shower TonightThe annual Quadrantid meteor shower peaks overnight tonight and early Thursday, Jan. 3.
-
Full Moon Tonight: Facts About 2012's Last Lunar ShowDecember's full moon rises tonight, Dec. 28, in a final lunar display for the year.
-
Look Up! 13 Must-See Stargazing Events in 2013A dazzling comet, a ring-of-fire solar eclipse and more will grace Earth's skies in 2013.
-
Jupiter, Moon Align in Christmas Skywatching TreatThe two heavenly bodies will dance close together Tuesday night.
-
Holiday Gift to Stargazers: The Christmas SkyWhat to look for in the night sky this holiday season.
-
Ursid Meteor Shower Peaks SaturdayThese underappreciated shooting stars should put on a good show.
-
Dec. 21: The Winter Solstice ExplainedThe sun will be at its lowest point in the sky all year on Friday.
-
Thinking of Buying a Telescope? Here's Our AdviceIn some cases, binoculars are a better bet.
