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Southern Hemisphere Solar Eclipse Poster
Sun, Sky Watching, Eclipses
Feb 24, 2017
On Sunday, February 26th, the moon will pass in front of the sun, transforming rays of sunlight across parts of South America, southern Africa and Antarctica into fat crescents and thin rings of light.
Jun 17, 2013
Researchers experimenting with flames onboard the International Space Station have produced a strange, cool-burning form of fire that could help improve the efficiency of auto engines.
ScienceCasts: Strange Flames on the International Space Station
Earth, Solar System
Jun 11, 2013
June 11, 2013: NASA research indicates hunks of frozen carbon dioxide -- dry ice -- may glide down some Martian sand dunes on cushions of gas similar to miniature hovercraft, plowing furrows as they go. "I have always dreamed of going to Mars," said Serina Diniega, a planetary... Read More
Earth, Sun
Jun 7, 2013
June 7, 2013:  Every summer, something strange and wonderful happens high above the north pole.  Ice crystals begin to cling to the smoky remains of meteors, forming electric-blue clouds with tendrils that ripple hypnotically against the sunset sky.  Noctilucent clouds—a.k.a. "NLCs"--are a... Read More
Jun 7, 2013
June 7, 2013: Scientists working with NASA's 230-foot-wide (70-meter) Deep Space Network antenna at Goldstone, Calif., have released a new and improved movie clip of near-Earth asteroid 1998 QE2 and its moon. The 55 individual images used in the movie were generated from data collected at... Read More
Jun 7, 2013
Glowing electric-blue at the edge of space, noctilucent clouds have surprised researchers by appearing early this year. The unexpected apparition hints at a change in the "teleconnections" of Earth's atmosphere.
ScienceCasts: An Early Start for Noctilucent Clouds
May 30, 2013
May 30, 2013: Approaching asteroid 1998 QE2 has a moon. Researchers found it in a sequence of radar images obtained by the 70-meter Deep Space Network antenna at Goldstone, Calif., on the evening of May 29th (May 30th Universal Time) when the asteroid was about 6 million kilometers from... Read More
Sun, Solar System
May 30, 2013
May 30, 2013: Here we go again. Another asteroid is paying a visit to the Earth-Moon system. Asteroids have been a hot topic since February 15th  when one small asteroid exploded over Russia and another larger one, 2012 DA14, made a record setting close approach to Earth on the... Read More
Solar System
May 30, 2013
NASA is tracking a large near-Earth asteroid as it passes by the Earth-Moon system on May 31st. Amateur astronomers in the northern hemisphere may be able to see the space rock for themselves during the 1st week of June.
ScienceCasts: Big Asteroid Flyby
Universe, Solar System
May 29, 2013
May 29, 2013: Astronomers using data from NASA's Wide-field Infrared Survey Explorer (WISE) have identified 28 new families of asteroids. The findings are a critical step in understanding the origins of asteroid families, and the collisions thought to have created these rocky clans.
May 24, 2013
Astronomers using NASA's Spitzer Space Telescope are making weather maps of an exotic class of exoplanets called "hot Jupiters." What they're finding is wilder than anything we experience here in our own solar system.
ScienceCasts: Big Weather on Hot Jupiters
Universe, Solar System
May 24, 2013
May 24, 2013: Among the hundreds of new planets discovered by NASA's Kepler spacecraft are a class of exotic worlds known as "hot Jupiters."  Unlike the giant planets of our own solar system, which remain at a safe distance from the sun, these worlds are reckless visitors to their parent... Read More
Sun, Solar System
May 17, 2013
May 17, 2013:  For the past 8 years, NASA astronomers have been monitoring the Moon for signs of explosions caused by meteoroids hitting the lunar surface. "Lunar meteor showers" have turned out to be more common than anyone expected, with hundreds of detectable impacts occurring every year... Read More
Solar System
May 16, 2013
NASA researchers who monitor the Moon for meteoroid impacts have detected the brightest explosion in the history of their program.
ScienceCasts: Bright Explosion on the Moon
Sun, Solar System
May 10, 2013
May 10, 2013:  Sunset is a special time of day.  Low-hanging clouds glow vivid red and orange as the background sky turns cobalt blue. The first stars pop out in the heavenly dome overhead, eliciting wishes from backyard sky watchers. The sunset of May 26th will be extra special.... Read More