(Phys.org)—The Earth's atmosphere holds far less xenon than chondritic meteorites, and researchers have sought for years to explain why. Now, geochemists Svyatoslav Shcheka and Hans Keppler of Bayerisches Geoinstitut, Universität ...
(Phys.org)—New research led by Yale University scientists suggests that a rocky planet twice Earth's size orbiting a nearby star is a diamond planet.
Astronomy
Oct 11, 2012
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Dramatic shifts in the planet's climate and geography over millions of years changed the course of evolutionary history for conifer trees, according to a Yale paper in the Proceedings of the National Academy of Sciences.
Plants & Animals
Oct 4, 2012
0
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(Phys.org)—A star's internal chemistry can doom a planet's life long before the star itself dies.
Astronomy
Sep 7, 2012
2
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(Phys.org) -- The galaxy NGC 4700 bears the signs of the vigorous birth of many new stars in this image captured by the NASA/ESA Hubble Space Telescope.
Astronomy
Jul 30, 2012
3
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What do beer, dogs and cats, and corn all have in common? All of them are the end products of the process of domestication. Almost everybody knows that a number of different animals and plants have been bred for qualities ...
Biotechnology
Jul 12, 2012
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The Big Bang produced lots of hydrogen and helium and a smidgen of lithium. All heavier elements found on the periodic table have been produced by stars over the last 13.7 billion years. Astronomers analyze starlight to determine ...
Astronomy
Apr 30, 2012
30
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The enigmatic Tasmanian tiger, known also as the thylacine, was hunted to extinction in the wild at the turn of the 20th century, and the last one died in a Tasmanian zoo in 1936.
Plants & Animals
Apr 18, 2012
5
2
Freshwater ecosystems in northern regions are home to significantly more species of water fleas than traditionally thought, adding to evidence that regions with vanishing waters contain unique animal life.
Ecology
Mar 2, 2012
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(PhysOrg.com) -- For the last dozen years, scientists have known that minuscule strings of genetic material called small RNA are critically important to our genetic makeup. But finding out what they do hasn’t been easy. ...
Cell & Microbiology
Feb 29, 2012
2
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