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Astrobiology Top 10: Where Life Could Thrive: Interview With John Grotzinger
Topic: Mars
01/01/14
Summary: As 2013 draws to a close, Astrobiology Magazine highlights the year's top stories. At number 2, John Grotzinger, project scientists for Curiosity, talks about how the mission showed that conditions at its landing site may have once been suitable for life. (Originally published on 03/21/13)

Astrobiology Top 10: The Russian Meteorite
Topic: Meteorites, Comets and Asteroids
12/31/13
Summary: As 2013 draws to a close, Astrobiology Magazine highlights the year's top stories. At number 3 is the object that entered Earth's atmosphere and disintegrated over Siberia on February 15th.

Astrobiology Top 10: MAVEN Launched to Study Upper Atmosphere of Mars
Topic: Mars
12/30/13
Summary: As 2013 draws to a close, Astrobiology Magazine highlights the year's top stories. At number 4 is the launch of a NASA mission that will investigate how Mars lost its atmosphere and abundant liquid water. (Originally published on 11/19/13)

Astrobiology Top 10: The Oldest Signs of Life on Earth
Topic: Origin & Evolution of Life
12/29/13
Summary: As 2013 draws to a close, Astrobiology Magazine highlights the year's top stories. At number 5 is the discovery of microbial life signs in rocks 3.48 billion years old--possibly the oldest signs of life on Earth. (Originally published on 11/14/13)

Astrobiology Top 10: Exoplanets: 1,000 and Counting
Topic: New Planets
12/28/13
Summary: As 2013 draws to a close, Astrobiology Magazine highlights the year's top stories. At number 6 is the expansion of the Extrasolar Planets Catalog to now over 1,000 planets. The milestone was reached October 22, and their current count of planets discovered beyond our solar system now sits at 1,010. (Originally published on 10/25/13)

Astrobiology Top 10: Astrobiology in the Fold
Topic: Origin & Evolution of Life
12/27/13
Summary: As 2013 draws to a close, Astrobiology Magazine highlights the year's top stories. At number 7, astrobiologists had revealed new information about the structure of RNA molecules found in the ribosome of cells. (Originally published on 10/07/13)

Astrobiology Top 10: Dwarf Planet Ceres – 'A Game Changer in the Solar System'
Topic: Meteorites, Comets and Asteroids
12/26/13
Summary: As 2013 draws to a close, Astrobiology Magazine highlights the year's top stories. At number 8 is NASA's Dawn mission upcoming investigation of the icy dwarf planet Ceres. The closest frozen body to Earth, Ceres may be as promising when it comes to hosting life than the more distant moons of the gas giants. (Originally published on 08/28/13)

Astrobiology Top 10: NASA Selects Exoplanet Satellite for Next Explorer-Class Mission
Topic: Missions
12/25/13
Summary: As 2013 draws to a close, Astrobiology Magazine highlights the year's top stories. At number 9, NASA's Astrophysics Explorer Program has selected two missions for launch in 2017. One of the missions is the Transiting Exoplanet Survey Satellite, which will use an array of telescopes to search for transiting exoplanets ranging from Earth-sized to gas giants. (Originally published on 04/10/13)

Astrobiology Top 10: Astronomers Anticipate 100 Billion Earth-Like Planets
Topic: Cosmic Evolution
12/24/13
Summary: As 2013 draws to a close, Astrobiology Magazine highlights the year's top stories. At number 10, researchers have proposed a new method for finding Earth-like planets--a method that could identify as many as 100 billion extrasolar worlds. (Originally published on 04/05/13)

Diamonds in the Oldest Zircons are Lab Contaminants
Topic: Geology
12/23/13
Summary: New research finds that the 4.3 billion-year-old diamonds reported in two papers in 2007 and 2008 could actually be contaminants introduced into geological samples from Australia.

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