In the three-way horse race to prove that biology is not just a terrestrial aberration, there's one steed that many people ignore: sampling the air of distant planets to see if they contain the exhaust gases of life, or in ...
Astronomy
Jun 6, 2016
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64
The most ancient kinds of microbes on Earth often have a special filament lining their surfaces. Scientists are discovering that these structures can play a variety of roles in helping microorganisms survive the most hostile ...
Cell & Microbiology
Apr 5, 2016
0
7
More than 145 years ago, Charles Darwin argued that Africa was the continent from which humans evolved in prehistory. We now know he was right.
Archaeology
Jun 15, 2015
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58
Geological processes shape the planet Earth and are in many ways essential to our planet's habitability for life. One important geological process is plate tectonics – the drifting, colliding and general movement of continental ...
Earth Sciences
Nov 27, 2014
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2
Planet hunters keep finding distant worlds that bear a resemblance to Earth. Some of the thousands of exoplanet candidates discovered to date have similar sizes or temperatures. Others possess rocky surfaces and support atmospheres. ...
Astronomy
Sep 3, 2013
7
0
Only one planet has been proven to support life: Earth. But evidence is mounting that we are not alone. Biogeochemist Ariel Anbar and astrophysicist Steven Desch, professors in ASU's School of Earth and Space Exploration, ...
Astronomy
Jul 16, 2013
2
0
For centuries, humans have pondered what life on other planets beyond our solar system might be like. With the launch of the Kepler Spacecraft in 2009 we now have evidence for the widespread existence of such planets. Kepler's ...
Space Exploration
May 14, 2013
1
0
Hairspray might one day serve as the sign that aliens have reshaped distant worlds, researchers say. Such research to find signs of alien technology is now open to funding from the public.
Astronomy
Nov 22, 2012
4
1
Meteoroids slamming against the atmospheres of alien worlds could add organic gases that make them look inhabited by life even if they are not, researchers say.
Astronomy
Sep 18, 2012
2
0
The light scattered off distant worlds could help reveal details about their atmospheres that no other method could uncover, scientists find.
Astronomy
Feb 20, 2012
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