Tornadoes
Severe Thunderstorms Threaten the South
Severe thunderstorm watch underway from Texas to Arkansas.
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January Seeing Above-Average Tornado Action
Month could wind up as third busiest for January tornadoes.
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Q&A: Weather Channel's Greg Forbes Talks Tornadoes
OurAmazingPlanet caught up with Forbes at the American Meteorological Society meeting in New Orle...
Pollution
Wildfire Smoke Plume Seen from Space
The plume-driven fire has burned in excess of 60,000 acres.
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Smoke from Southeast Wildfires Drifts Over Ocean
Air quality has been affected nationwide.
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Chile Volcano Ash Plume Tracked Over Atlantic
New volcanic ash monitoring techniques will aide air traffic safety.
Miscellaneous
New NASA Satellite Gets First Look At E...
Satellite will extend important climate records and aid in weather forecasting.
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Probe Peers Into Energetic Edge of Earth's Atmosphere
Data shedding light on auroras, how solar wind and Earth's magnetic field interact.
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NASA Climate Satellite Takes First Pictures
11 days after its launch, NASA's NPP satellite sends back its first science data.
News
Earth Makes Closest Approach to Sun of ...
The Earth passed its perihelion point of its orbit late on Jan. 4.
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New Satellite Takes First Global Image of Earth
NASA's NPP satellite gets a complete view of our planet every day.
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The Science of the Fierce Santa Ana Winds
Hurricane-strength winds spark wildfires, flip trucks.
Lightning
Video: Double Rainbow, Now With Lightni...
Thunderstorms captured on video near Washington, D.C.
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Earth's Tallest Lightning Seen in Unprecedented Detail
Gigantic jets shoot from clouds to upper atmosphere.
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These States are Really Lightning Rods
The top five most lightning-prone states.
Weather
Thundersnow! Snowy Rumble In Virginia C...
This past weekend's wintry blast continues to impress.
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Florida Freeze Snaps Weather Records
Cold weather should skedaddle by midweek.
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A Mild Winter's Surprising Downsides
You may not love those freezing temps, but it turns out they're actually good for something.
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Tropical Cyclone Jasmine's Eye Seen From Space
No damage or casualties yet reported.
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New Cyclone Forming Off Western Australia
Likely to strengthen, but heading away from coast.
Atmosphere
'Heartbeat' of Earth's Atmosphere Detec...
Could help understand makeup of atmosphere & Earth's weather.
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Spectacular Northern Lights Display Leaves Skywatchers Spellbound
The stunning Oct. 24 northern lights display reached as far south as Arkansas.
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Ophelia Follows Maria to Newfoundland
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Season for Mysterious 'Night-Shining' Clouds Is Here
Noctilucent clouds grace skies in summer months around dusk.
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In Images: Mysterious Night-Shining Clouds
So-called noctilucent clouds are often on display for orbiting astronauts.
El Nino and La Nina
Long La Niña Finally Winding Down
Enabler of recent wild weather may be gone by spring.
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La Niña to Continue Into Spring
Most models predict La Niña to remain weak this winter.
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Wild Weather of 2011: Blame La Niña
From floods to fires to tornadoes, records fell while damage mounted.
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Amazing NASA Video Shows Fall Equinox from Space
Watch this amazing animation of equinoxes and solstices from space.
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Earth's Seasons Change With Equinox Today
Summer in the Northern Hemisphere is officially over.
