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Cluster Mission Indicates Turbulent Eddies May Warm the Solar Wind
January 8, 2013 — The sun ejects a continuous flow of electrically charged particles and magnetic fields in the form of the solar wind -- and this wind is hotter than it should be. A new study of data obtained by ... > full story -
Space Sailing Soon: A One-Kilometer-Long Electric Sail Tether Produced
January 8, 2013 — An electric sail (ESAIL) produces propulsion power for a spacecraft by utilizing the solar wind. The sail features electrically charged long and thin metal tethers that interact with the solar wind. ... > full story -
Wide Binary Stars Wreak Havoc in Planetary Systems, Astrophysicists Find
January 6, 2013 — Astrophysicists have shown that planetary systems with very distant binary stars are particularly susceptible to violent disruptions, more so than if they had stellar companions with tighter orbits ... > full story -
Carbon in Vesta's Craters: Asteroid Impacts May Have Transferred Carbonaceous Material to Protoplanet and Inner Solar System
January 3, 2013 — The protoplanet Vesta has been witness to an eventful past: images taken by the framing camera onboard NASA's space probe Dawn show two enormous craters in the southern hemisphere. The images were ... > full story -
Astrophysicists Make Stellar Discovery About Galaxies Far, Far Away
January 3, 2013 — Astrophysicists have shed new light on how galaxies formed in the early universe. The discovery suggests that the current model for galaxy formation and evolution needs to be ... > full story -
How Young Star and Planets Grow Simultaneously
January 2, 2013 — The ALMA telescope gives astronomers their first glimpse of a fascinating stage of star formation and helps resolve a mystery about how young planets and their infant star can both grow at the same ... > full storyMore: -
Space Travel May Be Harmful to the Brain, Study Suggests; Prolonged Cosmic Radiation Exposure Could Hasten Alzheimer's
December 31, 2012 — As if space travel was not already filled with enough dangers, a new study shows that cosmic radiation -- which would bombard astronauts on deep space missions to places like Mars -- could accelerate ... > full story -
Canadian Experiment to Track Space Radiation and Its Risks
December 20, 2012 — Space can be a potentially hazardous environment to live and work in, especially when it comes to radiation. Originating from violent storms on the Sun and galactic cosmic rays produced in distant ... > full story -
Saturn Mission: Cassini Instrument Learns New Tricks
December 20, 2012 — For seven years, a mini-fridge-sized instrument aboard NASA's Cassini spacecraft reliably investigated weather patterns swirling around Saturn; the hydrocarbon composition of the surface of Saturn's ... > full story -
Asteroids, Comets and Meteors
Near-Earth Object Impacts
Mars
Solar System
Earth Science
Geomagnetic Storms
Meteorite Triggered Scientific 'Gold Rush'
December 20, 2012 — A meteorite that exploded as a fireball over California's Sierra foothills this past spring was among the fastest, rarest meteorites known to have hit the Earth, and it traveled a highly eccentric ... > full storyMore:
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