(Phys.org) —Breathing oxygen... can be hazardous to your health? Indeed, our bodies aren't perfect. They make mistakes, among them producing toxic chemicals, called oxidants, in cells. We fight these oxidants ...
May 02, 2013
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During geomagnetic storms, stable auroral red (SAR) arcs reach down from polar latitudes, their faint glow stretching equatorward of the traditional auroral oval. Invisible to the naked eye, SAR arcs are an upper atmospheric ...
Mar 30, 2013
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Researchers can use the mineral rutile to learn about rock types and their history. Two articles published in the highly respected journal Geology now present a new application of a method for more easily ...
Mar 25, 2013
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(Phys.org)—Comet Pan-STARRS C/2011 L4, discovered by the Pan-STARRS 1 telescope on Haleakala in June 2011, is expected to become visible to the naked eye in the Northern Hemisphere in March.
Feb 21, 2013
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Gong Hey Fat Choy! Today marks the beginning of the Chinese New Year and what better way to celebrate the Year of the Black Snake than with a look at an enormous shadowy cosmic serpent, the Snake Nebula! ...
Feb 11, 2013
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Researchers in Japan have developed a way to detect caesium contamination on a scale of millimetres enabling the detection of small areas of radioactive contamination. The research is published in Science an ...
Feb 08, 2013
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Using publicly available data from NASA's Kepler space telescope, astronomers at the Harvard-Smithsonian Center for Astrophysics (CfA) have found that six percent of red dwarf stars have habitable, Earth-sized ...
Feb 06, 2013
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(Phys.org)—The tangle of clouds and stars that lie in Orion's sword is showcased in a new, expansive view from NASA's Wide-field Infrared Survey Explorer, or WISE.
Feb 05, 2013
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(Phys.org)—Taking a photo of the sun with a standard camera will provide a familiar image: a yellowish, featureless disk, perhaps colored a bit more red when near the horizon since the light must travel ...
Jan 23, 2013
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(Phys.org)—An international team of astronomers has discovered that Tau Ceti, one of the closest and most Sun-like stars, may host five planets, including one in the star's habitable zone ('Goldilocks Zone').
Dec 19, 2012
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Early next year, a comet will come fairly close to Earth and the Sun—traveling within the orbit of Mercury—and it has the potential to be visible to the naked eye. Amateur and professional astronomers ...
Sep 06, 2012
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The first-ever mission dedicated to looking for dark matter and dark energy, two mysterious entities believed to explain the composition of the universe as we know it, will be launched in 2020, the European ...
Jun 20, 2012
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Scientists have been studying light from distant objects in the night sky for thousands of years in an effort to understand the Universe. Now European researchers have developed a novel method for estimating ...
Jun 13, 2012
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Old houses and vacant lots may not look like much to the naked eye, but to some, the site is better than gold. Excavations over the years can create a challenge to study what's left behind and often appears as if dirt and ...
Apr 05, 2012
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(PhysOrg.com) -- The tiny, plant-like Heterosigma akashiwo is too small to see with the naked eye, but the microscopic algae may pack a big environmental punch. University of Delaware researchers are studying ...
Mar 14, 2012
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