Where are they? Cosmologists search Andromeda for signs of alien life

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'Are we alone in the universe?' The question has fascinated, tantalized and even disconcerted humans for as long as we can remember.
via Science Daily
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Software finds the best way to stick a Mars landing

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Researchers have developed a software tool for computer-aided discovery that could help mission planners make these decisions. It automatically produces maps of favorable landing sites, using the available data on Mars' geology and terrain, as well as a list of scientific priorities and engineering constraints that a user can specify.
via Science Daily
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By Jove! Methane's effects on sunlight vary by region

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Solar energy absorption by methane is 10 times stronger over desert regions such as the Sahara Desert and Arabian Peninsula than elsewhere on Earth, and nearly three times more powerful in the presence of clouds. Researchers came to this conclusion after evaluating observations of Jupiter and Saturn's moon Titan.
via Science Daily
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How Earth sheds heat into space

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New insights into the role of water vapor may help researchers predict how the planet will respond to warming.
via Science Daily
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