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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 -
Birth of a Giant Planet? Candidate Protoplanet Spotted Inside Its Stellar Womb
February 28, 2013 — Astronomers have obtained what is likely the first direct observation of a forming planet still embedded in a thick disc of gas and dust. If confirmed, this discovery will greatly improve our ... > 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 -
Mercury May Have Harbored an Ancient Magma Ocean: Massive Lava Flows May Have Given Rise to Two Distinct Rock Types
February 21, 2013 — By analyzing Mercury's rocky surface, scientists have been able to partially reconstruct the planet's history over billions of ... > 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 -
NASA's Kepler Mission Discovers Tiny Planet System: Smallest Planet Yet Found Around a Star Similar to Our Sun
February 20, 2013 — NASA's Kepler mission scientists have discovered a new planetary system that is home to the smallest planet yet found around a star similar to our sun. The planets are located in a system called ... > full story -
Searching for the Solar System's Chemical Recipe
February 20, 2013 — The ratio of isotopes in elements like oxygen, sulfur, and nitrogen were once thought to be much the same everywhere, determined only by their different masses. Then isotope ratios in meteorites, ... > 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 -
Six Years in Space for THEMIS: Understanding the Magnetosphere Better Than Ever
February 20, 2013 — On Earth, scientists can observe weather patterns, and more importantly can predict them, through the use of tens of thousands of weather observatories scattered around the globe. Up in the space ... > full story
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