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A Display of Lights Above the Storm Poster
ISS
Oct 10, 2017
Transient Luminous Events (TLEs) are flashes and glows that appear above storms and are results of activity occurring in and below those storms. Researchers are working to better understand lightning and thunderstorms, how they form and develop over time, and why storms produce different TLEs in... Read More
Universe, Earth, Sun
Sep 12, 2013
Sept. 12, 2013:  NASA's Voyager 1 spacecraft officially is the first human-made object to venture into interstellar space. The 36-year-old probe is about 12 billion miles (19 billion kilometers) from our sun.
Earth, Sun
Sep 10, 2013
Sept. 10, 2013:  We all know what comes out of the bottom of thunderstorms: bolts of lightning. Jagged columns of light plunge Earthward, heating the air to 50,000 degrees F, about five times hotter than the surface of the sun. Claps of thunder announce this process... Read More
ISS
Sep 9, 2013
Sometimes, Earth mimics a supernova, producing a Terrestrial Gamma-ray Flash from the tops of thunderstorms. A new lightning sensor on the International Space Station could solve the mystery of these energetic bursts.
ScienceCasts: ISS Firestation to Explore the Tops of Thunderstorms
Solar System
Sep 3, 2013
September 3, 2013:  Back in the 60s and 70s, Apollo astronauts circling the Moon saw something that still puzzles researchers today. About 10 seconds before lunar sunrise or lunar sunset, pale luminous streamers would pop up over the gray horizon. These “twilight rays... Read More
Earth
Sep 3, 2013
Sept. 3, 2013:  A NASA-led team of scientists has uncovered strong evidence that soot from a rapidly industrializing Europe caused the abrupt retreat of mountain glaciers in the European Alps that began in the 1860s, a period often thought of as the end of the Little Ice... Read More
Earth
Aug 29, 2013
August 29, 2013:  Data from a NASA airborne science mission has revealed an immense and previously unknown canyon hidden under a mile of Greenland ice. "One might assume that the landscape of the Earth has been fully explored and mapped," said Jonathan Bamber,... Read More
Solar System
Aug 29, 2013
A NASA spacecraft slated for launch in September will fly to the Moon to investigate the tenuous lunar atmosphere. Researchers hope "LADEE" will solve a mystery that has been puzzling them since the days of Apollo.
ScienceCasts: NASA Mission Seeks Lunar Air
Solar System
Aug 23, 2013
August 23, 2013:  Around the world, astronomers are buzzing with anticipation over the approach of Comet ISON.  On Thanksgiving Day 2013, the icy visitor from the outer solar system will skim the sun's outer atmosphere and, if it survives, could emerge as one of the... Read More
Universe, Solar System
Aug 17, 2013
August 17, 2013:  When the Space Age began, astronomers knew of exactly zero planets outside the solar system.  What a difference 50 years makes.
Solar System
Aug 15, 2013
Comet ISON is heading for a Thanksgiving Day brush with the sun, but first it's going to pay a visit to Mars. In this week's ScienceCast, researchers discuss what might happen when Comet ISON meets the Red Planet.
ScienceCasts: Comet ISON to Fly By Mars
Earth
Aug 15, 2013
August 15, 2013:  Atmospheric physicist Nick Gorkavyi missed witnessing an event of the century last winter when a meteor exploded over his hometown of Chelyabinsk, Russia. From Greenbelt, Md., however, NASA's Gorkavyi and colleagues witnessed the atmospheric aftermath. The... Read More
Universe
Aug 8, 2013
An exotic class of exoplanets called "hot Jupiters" are even weirder than astronomers imagined. While these worlds may have Earth-like blue skies, new data show that they are anything but Earth-like.
ScienceCasts: The Strange Attraction of Hot Jupiters
Sun
Aug 5, 2013
Something big is happening on the sun. The sun's global magnetic field is about to flip, a sign that Solar Max has arrived.
ScienceCasts: The Sun's Magnetic Field is About to Flip
Sun
Aug 5, 2013
August 5, 2013:  Something big is about to happen on the sun.  According to measurements from NASA-supported observatories, the sun's vast magnetic field is about to flip. "It looks like we're no more than 3 to 4 months away from a complete field reversal,"... Read More