(PhysOrg.com) -- In late November, the Solar and Heliospheric Observatory's (SOHO) online "Pick of the Week" reached an impressive milestone: its 500th edition. This is an incredibly popular feature, which highlights one ...
Space Exploration
Jan 5, 2012
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It is almost night on the island of Puerto Rico. Astronomer Joanna Rankin raises her head toward the sky. A few of the brightest stars shine through blue cracks in a ragged dome of gray clouds. To her back, a jungle throbs ...
Astronomy
Dec 1, 2011
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(PhysOrg.com) -- Astronomers once thought that the process of star formation was more-or-less controlled by the simple coalescence of material by gravity, leading eventually to a new star. But they have come to realize that ...
Astronomy
Nov 15, 2011
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(PhysOrg.com) -- The first nuclear power plant being considered for production of electricity for manned or unmanned bases on the Moon, Mars and other planets may really look like it came from outer space, according to a ...
Energy & Green Tech
Aug 28, 2011
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(PhysOrg.com) -- Radioactive dating is used to determine everything from the age of dinosaur fossils to Native American arrowheads. A new technique recently developed at the U.S. Department of Energy's Argonne National Laboratory ...
General Physics
May 12, 2011
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(PhysOrg.com) -- Infrared images of the aftermath of an impact on Jupiter in 2009 have been combined with other observations to conclude that an asteroid, not a comet, slammed into the planet.
Space Exploration
Jan 26, 2011
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Large changes in the sun's energy output may drive unexpectedly dramatic fluctuations in Earth's outer atmosphere.
Earth Sciences
Aug 26, 2010
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(PhysOrg.com) -- NASA's Galileo spacecraft began what would become a 14-year odyssey of exploration 20 years ago this Sunday, Oct. 18. Galileo was humanity's first emissary to orbit a planet in the outer solar system - Jupiter.
Space Exploration
Oct 19, 2009
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(PhysOrg.com) -- Observations from NASA's twin Solar Terrestrial Relations Observatory (STEREO) spacecraft have allowed scientists to reveal for the first time the speed, trajectory, and three-dimensional shape of solar explosions ...
Space Exploration
Apr 28, 2009
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(PhysOrg.com) -- Twin NASA spacecraft have provided scientists with their first view of the speed, trajectory, and three-dimensional shape of powerful explosions from the sun known as coronal mass ejections, or CMEs. This ...
Space Exploration
Apr 14, 2009
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