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Space Weather: Interfering With The Global Positioning System
June 11, 2008 — You can't always trust your GPS gadget. As scientists have long known, perplexing electrical activity in the upper atmospheric zone called the ionosphere can tamper with signals from GPS satellites. ... > full story -
How Plasma From Superstorms Affects Near-Earth Space
May 30, 2008 — NASA scientists have uncovered new details about how plasma from superstorms interact with Earth's ... > full story -
Spring Is Aurora Season
March 6, 2008 — What are the signs of spring? They are as familiar as a blooming daffodil, a songbird at dawn, a surprising shaft of warmth from the afternoon sun. And, oh yes, don't forget the aurora borealis. ... > full story -
Comet Collides With Solar Hurricane
October 1, 2007 — A NASA satellite has captured the first images of a collision between a comet and a solar hurricane. It is the first time scientists have witnessed such an event on another cosmic ... > full story -
Solar Storm Cycle Will Likely Start Next March, According To NOAA
April 27, 2007 — The next 11-year cycle of solar storms will most likely start next March and peak in late 2011 or mid-2012 -- up to a year later than expected -- according to a forecast recently issued by NOAA's ... > full story -
NASA Spacecraft Make First 3-D Images Of Sun
April 23, 2007 — NASA's twin Solar Terrestrial Relations Observatory (STEREO) spacecraft have made the first three-dimensional images of the sun. The new view will greatly aid scientists' ability to understand solar ... > full story -
Surprises From The Sun's South Pole
February 20, 2007 — Although very close to the minimum of its 11-year sunspot cycle, the Sun showed that it is still capable of producing a series of remarkably energetic outbursts - ESA-NASA Ulysses mission ... > full story -
Lab To Build NASA's Radiation Belt Storm Probes
May 26, 2006 — The Johns Hopkins University Applied Physics Laboratory in Laurel, Md., will develop and operate twin NASA spacecraft to study how the sun interacts with Earth's radiation belts. Part of NASA's ... > full story -
Earth Aurora: Chandra Looks Back At Earth
December 29, 2005 — In an unusual observation, a team of scientists has scanned the northern polar region of Earth with NASA's Chandra X-ray Observatory. The results show that the aurora borealis, or "northern lights," ... > full story -
Hundreds Of Auroras Detected On Mars
December 13, 2005 — Most of the large planets have global magnetic fields, and thus exhibit some version of the auroras that brighten the night sky in Earth's northern and southern latitudes. Mars, which long ago lost ... > full story
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