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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
Solar System
Sep 22, 2014
Sept. 22, 2014:  NASA’s Mars Atmosphere and Volatile Evolution (MAVEN) spacecraft successfully entered Mars’ orbit at 10:24 p.m. EDT Sunday, Sept. 21, where it now will prepare to study the Red Planet’s upper atmosphere as never done before. MAVEN is the first... Read More
Earth
Sep 22, 2014
Sept. 22, 2014: Arctic sea ice coverage continued its below-average trend this year as the ice declined to its annual minimum on Sept. 17, according to the NASA-supported National Snow and Ice Data Center (NSIDC) at the University of Colorado, Boulder. "Arctic sea ice... Read More
Earth, Sun, Solar System
Sep 18, 2014
Sept. 18, 2014:  On Wednesday morning, Oct. 8th, not long before sunrise, the bright full Moon over North America will turn a lovely shade of celestial red.  It's a lunar eclipse—visible from all parts of the USA. "It promises to be a stunning sight, even from the most light polluted... Read More
Solar System
Sep 17, 2014
Mark your calendar: On Oct. 8th, the Moon will pass through the shadow of Earth for a total lunar eclipse. Sky watchers in the USA will see the Moon turn a beautiful shade of celestial red and maybe turquoise, too.
ScienceCasts: A Colorful Lunar Eclipse
Sep 10, 2014
Sept. 10, 2014:  Fire is inanimate, yet anyone staring into a flame could be excused for thinking otherwise: Fire dances and swirls.  It reproduces, consumes matter, and produces waste. It adapts to its environment. It needs oxygen to survive. In short, fire is... Read More
ISS
Sep 9, 2014
Astronauts onboard the International Space Station report seeing flames that behave like jellyfish. Video of the microgravity phenomenon is a must-see.
ScienceCasts: Jellyfish Flame on the International Space Station
Universe
Sep 5, 2014
Sept. 5, 2014:  A NASA instrument aboard the European Space Agency’s (ESA's) Rosetta orbiter has successfully made its first delivery of science data from comet 67P/Churyumov-Gerasimenko.
Earth
Sep 5, 2014
Sept. 5, 2014: A small asteroid, designated 2014 RC, will safely pass very close to Earth on Sunday, Sept. 7, 2014.  At the time of closest approach, based on current calculations to be about 2:18 p.m. EDT (11:18 a.m. PDT / 18:18 UTC), the asteroid will be roughly over New Zealand.  From... Read More
Earth
Sep 5, 2014
Sept. 5, 2014:  High above Earth, more than 20 miles above sea level, a diaphanous layer of ozone surrounds our planet, absorbing energetic UV rays from the sun.  It is, essentially, sunscreen for planet Earth. Without the ozone layer, we would be bathed in dangerous... Read More
Earth
Sep 4, 2014
Almost 30 years after the Montreal Protocol put the brakes on ozone-depleting chemicals, one compound remains stubbornly and mysteriously abundant in the atmosphere. NASA scientists are tracking down the source and studying its effect on the ozone layer.
ScienceCasts: Mystery in the Ozone Layer
Universe
Aug 26, 2014
August 26, 2014:  The European Space Agency's Rosetta mission has chosen five candidate landing sites on comet 67P/Churyumov-Gerasimenko for its Philae lander. Philae's descent to the comet's nucleus, scheduled for this November, will be the first such landing ever attempted.
5 of the potential landing spots for Rosetta's Philae lander
Universe
Aug 26, 2014
August 26, 2014:  Once every 50 years, more or less, a massive star explodes somewhere in the Milky Way.  The resulting blast is terrifyingly powerful, pumping out more energy in a split second than the sun emits in a million years.  At its peak, a supernova can outshine... Read More
Universe
Aug 25, 2014
A NASA sounding rocket has confirmed that the solar system is inside an ancient supernova remnant. Life on Earth survived despite the nearby blasts.
ScienceCasts: Evidence for Supernovas Near Earth
Solar System
Aug 25, 2014
August 25, 2014:  NASA’s Pluto-bound New Horizons spacecraft has traversed the orbit of Neptune. This is its last major crossing en route to becoming the first probe to make a close encounter with distant Pluto on July 14, 2015.