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Last Chance to See Doomed German Satellite in Night SkyDon't miss the last opportunities to see Germany's falling ROSAT satellite in the night sky.
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Halley's Comet to Put on Meteor Show Next WeekThe Orionids offer one of the best meteor showers all year.
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Now Is the Time to See the Mysterious Zodiacal LightThis faint glow can be seen in the predawn sky.
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Could Katia Threaten the East Coast?There is precedent for a hurricane hitting on another's tail.
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East Coast Braces for Hurricane IreneStorm could be first in 3 years to hit US.
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Season for Mysterious 'Night-Shining' Clouds Is HereNoctilucent clouds grace skies in summer months around dusk.
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When Will the Horrible Heat Wave End?Stuck high pressure sends temps soaring, not likely to break soon.
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Will Newly Discovered Comet Dazzle or Disappoint in 2013?Comet C/2011 L4 (PANSTARRS) will make pass through the inner solar system in 2013.
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Chilean Volcano Colors Southern Hemisphere SkiesAsh from the eruption alters light's path through the atmosphere.
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Meteor Shower Spawned by Halley's Comet Peaks FridayA meteor shower created by the famed Halley's comet will peak on Friday, May 6.
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Reading the Weather Using the Sun, Moon and StarsKeeping an eye on the night sky can tell a lot about the weather.
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'Supermoon' Rises: Biggest Full Moon in 18 Years Occurs Saturday NightThe biggest full moon of 2011 is also a supermoon and arrives March 19.
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Rainbows: How They Form & How to See ThemWater droplets refract the sun's light. Sorry, not pots o' gold here.
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What's Responsible for Our Wild Winter Weather?How El Nino, La Nina and other climate forces shaped this winter season.
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Strong Solar Flare May Charge Up Northern Lights TonightStrong solar flare erupted yesterday, may amplify auroras tonight.
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The Myth of Arctic Daylight and Darkness ExposedMyth: Entire arctic region experiences six months of daylight and six months of darkness.
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How to Anticipate a Possible AuroraMore tips on how and where to see auroras.
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A Guide for Watching Earth's AurorasWhere and when you can see these amazing light displays.
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Gallery: Reading the CloudsWhat clouds are and what they say about the weather.
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How to Read Clouds
What clouds are and what they say about the weather.
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See Saturn Now: Lord of the Rings Rocks
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Viewer's Guide: Total Lunar Eclipse Feb. 20
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How a Lunar Eclipse Saved Columbus
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Coming Feb. 20: Total Eclipse of the Moon
