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Scientists Analyzs Nucleus of Comet Hartley 2
June 20, 2011 — Nearly one year ago, a repurposed NASA spacecraft flew by the comet Hartley 2. As a result, a multitude of high-resolution images were gathered over 50 days that allow scientists to understand the ... > full story -
Glimpsing the End of Our Solar System
June 17, 2011 — Astronomers are investigating the possible eventual fate of the solar system by examining 'white dwarf' stars elsewhere in our ... > full story -
Mercury: Messenger Orbital Data Confirm Theories, Reveal Surprises
June 16, 2011 — In March, the Messenger spacecraft entered orbit around Mercury to become that planet's first orbiter. The tiny craft is providing a wealth of new information and some surprises. For instance, ... > full story -
Recalculating the Distance to Interstellar Space
June 15, 2011 — Scientists analyzing recent data from NASA's Voyager and Cassini spacecraft have calculated that Voyager 1 could cross over into the frontier of interstellar space at any time and much earlier than ... > full story -
Scientists Prove Existence of 'Magnetic Ropes' That Cause Solar Storms
June 15, 2011 — Scientists discovered recently that a phenomenon called a giant magnetic rope is the cause of solar storms. Confirming the existence of this formation is a key first step in helping to mitigate the ... > full story -
When Jupiter Was in the Position of Mars
June 15, 2011 — A new scenario describing a key step in the formation of the solar system has been proposed by a French-American collaboration. According to this model, Jupiter migrated towards the Sun to the ... > full story -
New Insights on How Solar Minimums Affect Earth
June 14, 2011 — Since 1611, humans have recorded the comings and goings of black spots on the sun. The number of these sunspots waxes and wanes over approximately an 11-year cycle -- more sunspots generally mean ... > full story -
Earth-Bound Asteroids Carried Ever-Evolving, Life-Starting Organic Compounds
June 9, 2011 — Detailed analysis of the most pristine meteorite ever recovered shows that the composition of the organic compounds it carried changed during the early years of the solar system. Those changed ... > full story -
Meteorite Holds Clues to Organic Chemistry of Early Earth
June 9, 2011 — Carbonaceous chondrites are organic-rich meteorites that contain samples of the materials that took part in the creation of our planets nearly 4.6 billion years ago. The complex suite of organic ... > full story -
Magnetic Bubbles Reside at Solar System Edge, NASA Probes Suggest
June 9, 2011 — Observations from NASA's Voyager spacecraft, humanity's farthest deep space sentinels, suggest the edge of our solar system may not be smooth, but filled with a turbulent sea of magnetic ... > full story
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