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NASA's Wind Mission Encounters 'SLAMS' Waves
April 16, 2013 — To tease out what happens at that boundary of the magnetosphere and to better understand how radiation and energy from the sun can cross it and move closer to Earth, NASA launches spacecraft into ... > full story -
NASA's SORCE Satellite Marks a Decade in the Sun
April 2, 2013 — NASA's Solar Radiation and Climate Experiment (SORCE) satellite has been providing data on the sun's irradiance for 10 years. SORCE measures electromagnetic radiation produced by the sun and the ... > full story -
Sun in the Way Will Affect Mars Missions in April
March 20, 2013 — The positions of the planets next month will mean diminished communications between Earth and NASA's spacecraft at Mars. Mars will be passing almost directly behind the sun, from Earth's perspective. ... > full story -
Voyager 1 Has Entered a New Region of Space, Sudden Changes in Cosmic Rays Indicate
March 20, 2013 — Thirty-five years after its launch, Voyager 1 appears to have travelled beyond the influence of the Sun and exited the heliosphere, according to a new ... > full story -
Particles and Fields Package Integrated on Upcoming Mars-Bound Spacecraft
March 14, 2013 — The six science instruments that comprise the Particles and Fields Package that will characterize the solar wind and ionosphere of Mars have been integrated aboard NASA's Mars Atmosphere and Volatile ... > full story -
NASA's Van Allen Probes Reveal a New Radiation Belt Around Earth
February 28, 2013 — NASA's Van Allen Probes mission has discovered a previously unknown third radiation belt around Earth, revealing the existence of unexpected structures and processes within these hazardous regions of ... > full story -
NASA Deciphering the Mysterious Math of the Solar Wind
February 21, 2013 — The sun and its prodigious stream of solar particles, called the solar wind, can be particularly tricky to model since as the material streams to the outer reaches of the solar system it carries ... > full story -
Faraday Cup Critical Part of Audacious Mission to the Sun
February 21, 2013 — A critical instrument on a mission to the sun is being tested. The flight's experiments could answer the question: How can the sun be hot at its core yet stay relatively cool at its surface, while at ... > full story -
NASA's SDO Shows a Little 'Rain' on the Sun
February 20, 2013 — Eruptive events on the sun can be wildly different. Some come just with a solar flare, some with an additional ejection of solar material called a coronal mass ejection, and some with complex moving ... > full story -
Sun's Next-Door Twin: Cool Layer in the Atmosphere of Alpha Centauri A
February 20, 2013 — The European Space Agency's Herschel space observatory has detected a cool layer in the atmosphere of Alpha Centauri A, the first time this has been seen in a star beyond our own Sun. The finding is ... > full story
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