What Is a Supernova? By Andrea Thompson When stars can't handle their nuclear fuel, they explode in a brilliant burst of light.
'Castle Cloud' Caught in Spectacular Astronaut Photo By Andrea Thompson It looks like a ghostly medieval tower — like something out of "Game of Thrones" — looming over the crystal-blue Caribbean waters of the Bahamas.
NASA Satellite Reveals Source of El Niño-Fueled Carbon Dioxide Spike By Andrea Thompson NASA's OCO-2 satellite observed carbon dioxide response to one of strongest El Niños on record.
Massive Calved Iceberg Comes into View as Antarctic Sun Rises By Andrea Thompson An iceberg could shed light on warming-fueled fate of Antarctica.
Did Climate Change Intensify Harvey's Catastrophic Effects? By Andrea Thompson Weather was the main driver, but climate change was likely a factor.
Mars: The Spacecraft Graveyard By Andrea Thompson A look at the spacecraft that met their end on the Red Planet.
Want to See the Northern Lights? There's an App for That By Andrea Thompson Want to see the beauty of the northern lights, but don't want to sit out in the freezing cold? There's an app for that: A scientist is developing an app with real-time views of Alaska's auroras.
Hurricane Raymond Seen from Space (Satellite Photos) By Andrea Thompson Two satellites snapped pictures of Hurricane Raymond of the Pacific coast of Mexico just a day apart, -- it was only a tropical storm one day, but a major hurricane the next.
New Satellite Image Shows Moore Tornado Scar By Andrea Thompson Damage path appears as beige streak across the Oklahoma landscape.
Meteorite Crater Under Iowa Confirmed in New Images By Andrea Thompson Crater is four to five times bigger than famed Meteor Crater.
Death Valley Named Largest Dark Sky Park By Andrea Thompson Home of the hottest temperature on Earth also gets 'Gold Tier' rating for spectacular night skies.
Meteorites from Russian Fireball Possibly Found By Andrea Thompson Scientists with Russia's Ural Federal University say they've found 53 meteorite fragments from the Feb. 15 fireball.
Lightning Flash from Severe Storms Seen from Space By Andrea Thompson Flash came from storms sweeping across eastern U.S.
Cyclone's 'Overshooting Cloud Tops' Seen from Above By Andrea Thompson The clouds punch into the stratosphere and indicated strong storms.
Britain Blanketed by Snow in New Satellite Image By Andrea Thompson A storm from the Atlantic and cold air from Scandinavia combined to create snow conditions.
Night-Sensitive Satellite Spots Elusive Clouds By Andrea Thompson Suomi NPP satellite sees mass of marine layer clouds.
Tropical Cyclone Spotted Slamming Indian Ocean Islands By Andrea Thompson La Reunion and Mauritius took a beating from the winds and rain.
Earth Has Its Picture Taken on 12/12/12 By Andrea Thompson An auspicious day to some, an ordinary one to others.
Telescope Gets Better View of Strange Thunderstorm Flashes By Andrea Thompson Improvements help space telescope detect more terrestrial gamma-ray flashes.
Frankenstorm Sandy Spotted Dying Out on Halloween By Andrea Thompson Satellite spots Sandy becoming a remnant low pressure system.
Hurricane Rafael Spotted from Space By Andrea Thompson Rafael is the ninth hurricane of a busy 2012 Atlantic season.
Ernesto's Heavy Rainfall Measured from Space By Andrea Thompson The storm has been drenching parts of Mexico.
Hurricane Fabio Spotted from Space By Andrea Thompson Fabio is the sixth named storm and fifth hurricane for the East Pacific this season.
Help NASA Find an Alphabet in the Sky By Andrea Thompson Look for letters in NASA's satellite images of Earth.
