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How Can We Find Alien Life?
Topic: Alien Life
12/28/06
Summary: At the Astrobiology Science Conference last March, Astrobiology Magazine organized a debate about alien life. In the final part of this seven-part series, Astrobiology Magazine´s Henry Bortman asks how we should search for life "as we don´t know it."

Piecing Together Life's Potential
Topic: Mars
11/15/06
Summary: In this interview, Carol Stoker describes what the Phoenix Lander can expect to find when it lands in the martian northern plains. She also explains why astrobiologists have such high hopes for finding the signs of life there.

Seeking Out Meteorites
Topic: Meteorites, Comets and Asteroids
11/06/06
Summary: In this interview, Monica Grady talks about hunting for meteorites on the moon in order to learn more about the ancient Earth. She also explains why it took so long for us to find a meteorite originating from Mars.

Bacterial Intelligence
Topic: Origin & Evolution of Life
10/12/06
Summary: Bacteria may not have brains, but they are intelligent. So says Lynn Margulis, co-author of Microcosmos: Four Billion Years of Microbial Evolution. To mark the 20th anniversary of the book´s publication, Astrobiology Magazine spoke with Margulis, who laid out the evidence for bacterial intelligence.

Bacteria Don't Have Species
Topic: Origin & Evolution of Life
10/09/06
Summary: Do bacteria have species? Not according to Lynn Margulis, co-author of Microcosmos: Four Billion Years of Microbial Evolution. In this interview with Astrobiology Magazine, she explains why.

We Are All Microbes
Topic: Origin & Evolution of Life
10/05/06
Summary: According to Lynn Margulis and her son Dorion Sagan, plant and animal cells came about through the fusion of various bacterial cells. Twenty years after the publication of controversial work, Microcosmos, Margulis talks about how scientific community slowly come around to accept the book´s ideas.

Microbial Planet
Topic: Origin & Evolution of Life
10/01/06
Summary: Twenty years have passed since the publication of Microcosmos: Four Billion Years of Microbial Evolution, co-authored by Lynn Margulis and her son Dorion Sagan. In this interview with Astrobiology Magazine, Margulis explains one of the book´s central ideas: symbiogenesis.

Digging Deep
Topic: Mars
08/10/06
Summary: In this interview, Chris McKay explains why future missions must dig deep into the ice of Mars to learn about the Red Planet's potential for life.

Searching for Aliens
Topic: Extreme Life
07/27/06
Summary: In this interview, Chris McKay talks about the potential for other kinds of life in the universe, and how we could begin to look for those aliens.

The Aromatic World
Topic: Cosmic Evolution
06/15/06
Summary: In a paper soon to be published in the journal Astrobiology, Pascale Ehrenfreund and colleagues suggest that polycyclic aromatic hydrocarbons (PAHs), organic molecules found throughout space, may have been important multi-taskers in the origin of life on Earth.
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