Sulfurous signs of life
Any sulfurous molecules that astronomers spot on alien worlds might be a way to reveal whether or not those distant planets host life, researchers suggest.
Jun 30, 2011 |
3.7 / 5 (9) |
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Climate change increases the risk of ozone damage to plants
Ground-level ozone is an air pollutant that harms humans and plants. Both climate and weather play a major role in ozone damage to plants. Researchers at the University of Gothenburg, Sweden, have now shown that climate change ...
Space & Earth / Earth Sciences
Jun 30, 2011 |
3.4 / 5 (5) |
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Hundreds of new species found in Philippines
Lobsters without shells and a small shark that bulks up with water to scare off predators are among hundreds of potential new species found in the Philippines, according to a US-led biodiversity survey.
Jun 30, 2011 |
5 / 5 (5) |
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More than 300 new species discovered in the Philippines
This spring, scientists from the California Academy of Sciences braved leeches, lionfish, whip-scorpions and a wide variety of other biting and stinging creatures to lead the most comprehensive scientific ...
Jun 24, 2011 |
5 / 5 (3) |
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Team makes discoveries about major event in history of complex life
(PhysOrg.com) -- A team of scientists led by Montana State University has discovered the "when" of a major event that led to the evolution of complex life on Earth.
Space & Earth / Earth Sciences
Jun 21, 2011 |
4.7 / 5 (7) |
1
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Penn State expert determined to find life on Earth-like planets
Thanks to popular Hollywood films like "E.T.," "Avatar" and "Super 8," life on other planets seems highly conceivable to people who have considered the idea that we are not alone in the universe. Jim Kasting, distinguished ...
Jun 17, 2011 |
3 / 5 (2) |
5
Archeologists find what might be the smallest Mesozoic dinosaur
(PhysOrg.com) -- Paleontologists digging in the south of England have unearthed what might be the smallest dinosaur ever discovered; at just a foot long and weighing only a couple hundred grams, the Ashdown ...
Other Sciences / Archaeology & Fossils
Jun 13, 2011 |
3.5 / 5 (2) |
2
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Meteorite holds clues to organic chemistry of the early Earth: study
(PhysOrg.com) -- Carbonaceous chondrites are a type of organic-rich meteorite that contain samples of the materials that took part in the creation of our planets nearly 4.6 billion years ago, including materials ...
Space & Earth / Space Exploration
Jun 09, 2011 |
4.7 / 5 (6) |
1
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Biochemist David Deamer explores how life began in new book, 'First Life'
David Deamer began studying the origin of life in the early 1980s, and his research over the past 30 years has had a major influence on scientific understanding of how life on Earth got started. In his new book, First Life ...
Jun 02, 2011 |
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New evidence supports 'Snowball Earth' as trigger for early animal evolution
A team of scientists, led by biogeochemists at the University of California, Riverside, has found new evidence linking "Snowball Earth" glacial events to the rise of early animals.
Space & Earth / Earth Sciences
Oct 27, 2010 |
4.3 / 5 (19) |
39
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The fuel of evolution: A new hypothesis about how complex life emerged on Earth
When life on Earth first emerged about 4 billion years ago, it was simple by today's standards.
Oct 22, 2010 |
4.8 / 5 (47) |
82
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How plants drove animals to the land
(PhysOrg.com) -- A new study of ancient oxygen levels presents the first concrete evidence that after aquatic plants evolved and boosted the levels of oxygen aquatic life exploded, leading to fierce competition ...
Other Sciences / Archaeology & Fossils
Sep 30, 2010 |
4.7 / 5 (11) |
0
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Professor: We have a 'moral obligation' to seed universe with life
(PhysOrg.com) -- Eventually, the day will come when life on Earth ends. Whether that’s tomorrow or five billion years from now, whether by nuclear war, climate change, or the Sun burning up its fuel, the last ...
Feb 09, 2010 |
3.1 / 5 (49) |
114
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Plants Save the Earth from an Icy Doom (w/ Podcast)
(PhysOrg.com) -- Fifty million years ago, the North and South Poles were ice-free and crocodiles roamed the Arctic. Since then, a long-term decrease in the amount of CO2 in the atmosphere has cooled the Earth. ...
Space & Earth / Earth Sciences
Jul 01, 2009 |
3.8 / 5 (9) |
5
Asteroid Attack 4 Billion Years Ago May Have Accelerated Life on Earth
(PhysOrg.com) -- The bombardment of Earth nearly 4 billion years ago by asteroids as large as Kansas would not have had the firepower to extinguish potential early life on the planet and may even have given ...
Space & Earth / Earth Sciences
May 20, 2009 |
4.5 / 5 (14) |
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