Is SETI Legitimate Science? - Steven Novella, Neurologica Blog
Equation Calculates Probability of Life on Mars - Jeffrey Marlow, Wired
Is Earth Rarer than We Think? - Markus Hammonds, Discovery News
Carbon-Based Life Leaves Little Room for Error - NC State University
Life Could Have Existed on Mars - Dan Vergano, USA Today
Finding E.T. May Be Easier Around White Dwarf Stars - Harvard Univ.
The True Story of a 1967 Alien 'Contact' Incident - MIT Technology Review
Thorium Could Help Alien Life Emerge - Ian Randall, Physics World
The Color of Life-Harboring Planets - Tushna Commissariat, Phys. World
Did Extraterrestrial Life Originate from Earth? - George Dvorsky, io9
Why 'Super-Earths' May Be Unlikely to Support Life - Space.com
Curiosities the Mars Rover Hopes to Reveal - Martin Rees, Newsweek
Gliese 581g Is Perfect for Life, If Planet Exists - Dennis Overbye, NYT
Extraterrestrial Life: Getting Closer to Encounter - The Economist
E.T., Can You Hear Me Now? Good. - Hyperspace, Physics Central
Earth's Extremophiles Point to Alien Life - Michael Manning, Decoded Sci.
Where Are Extraterrestrials? The People Speak. - David Brin, Science 2.0
To Find Life on Mars, Curiosity Must Dig Deep - Jeffrey Marlow, Wired
Who's in Charge if We Find Life on Mars? - Matt Ridley, Wall Street Journal
Curiousity Could Find Life Just Below Martian Surface - Space.com
Optical Trick May Help Find Extraterrestrial Life - The Economist
Asteroid Impact Pushes Life Underground - Stuart Gary, ABC Science
Cousins of Earth Life on Sun's Siblings? - Clara Moskowitz, Space.com
What If Life on Earth Had More Time? - Ethan Siegel, ScienceBlogs
How Biology Could Cause Higgs-Like Excitement - Heidi Ledford, Nature
What Color Are Plants on Other Planets? - Jeffrey Marlow, Wired
Saturn Moon Is Home to a Large Ocean - Jeffrey Kluger, Time
Hints of Earth Life Found by Looking at Moon - Matthew Francis, Ars Tech.
'Super-Drought' Makes Mars Too Dry for Life - Nick Collins, Telegraph
We're Completely Alone in the Universe - Valerie Jamieson, NewScientist
Planets with No Spin Are Too Harsh for Life - Nola Redd, Space.com
Diamond Planets Not Life's Best Friend - Anil Ananthaswamy, NewScientist
The Great Silence: Why Can't We Find Aliens? - Chris Wilson, Slate
New NASA Missions to Investigate How Mars Turned Hostile - NASA
Look Underground for Life on Mars - Bethany Ehlmann, NewScientist
Could Life Exist Without Water? - Keith Cooper, Astrobiology Magazine
Snow on Saturn Moon Boosts Hope of Ocean - Ron Cowen, Nature News
Earth Could Seed Life Throughout Solar System - MIT Technology Review
Would Aliens Consider Us Cockroaches? - Ian O'Neill, Discovery News
Mars Holds Unique Place in Our Imagination - Steve Connor, Independent
What Is Likelihood of Alien Contact? - Natalie Wolchover, LL Mysteries
New Mars Rover Cannot Directly Detect Life - Irene Klotz, Discovery News
NASA to Explore Mars Mountain For Life - Kerry Sheridan, Cosmos
Gas: Fingerprints of Extraterrestrial Life - Oliver Knevitt, Science 2.0
Is There Life on Mars? We May Soon Find Out - Robin McKie, Guardian
Extraterrestrial Life: Where Is Everybody? - Ethan Siegel, ScienceBlogs
Gliese 581d: First Habitable Exoplanet Confirmed? - Science Daily

Extraterrestrial Life

Could Life Develop on a Planet Like Venus? - Carl Franzen, The Verge

Atmospheric Pressure Affects Odds of Life - Adam Hadhazy, Astrobiology

UFOs Flunk Believability Test for Alien Contact - Ray Villard, Discovery

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