Sep 10, 2002 | MISSIONS
No Drought of Mars Landing Sites
(Astrobiology Magazine) - Proposed landing sites for the Mars Exploration Rovers may yield evidence of liquid water on ancient Mars.

Jun 27, 2002 | SCIENCE, MISSIONS
Defining Life
(Astrobiology Magazine) - A clear definition of life is necessary if we're to recognize it elsewhere in the universe.

Feb 27, 2002 | SCIENCE, MISSIONS
Digital Data Puts Mars on Map
(BBC) - A new high-resolution atlas of Mars could help determine whether the planet is geologically active.

Jan 07, 2002 | SCIENCE, MISSIONS, TECHNOLOGIES
Signs of Life: On the Lookout for Extraterrestrial Sweet Spots
(Space.com) - A new report reviews methods for detecting extraterrestrial life, and for preventing cross-contamination of planets.

Dec 07, 2001 | SCIENCE, MISSIONS, TECHNOLOGIES
Europe Heads for Mars
(NASA Astrobiology Institute) - The Beagle 2, a compact, lightweight lander carried on the European Space Agency (ESA) Mars Express orbiter, will search for signs of life on the Red Planet.

Nov 26, 2001 | SCIENCE
Life in the Universe: Is It Just around the Corner?
(SpaceRef.com) - Astrobiologist Chris Chyba discusses the possibilities for life beyond Earth.

Sep 05, 2001 | SCIENCE, MISSIONS, TECHNOLOGIES
NASA Makes Data from Mars Life Experiments Available to Scientists
(Washington Post) - Twenty-five years after the Viking mission tested for evidence of life on Mars, NASA has made the data available for reexamination by the scientific community.

Aug 01, 2001 | SCIENCE, MISSIONS, TECHNOLOGIES
Looking for Life at the Poles of Mars
(Space.com) - While most liquid water on Mars may lie deep underground, life might exist close to the surface of the polar ice caps.

Jul 31, 2001 | SCIENCE, MISSIONS
Is the Signature of life on Mars Present in Decades-old Data?
(University of Southern California) - A scientist claims that results from 25 years ago show evidence of life in a scoopful of Martian soil.

Jul 30, 2001 | SCIENCE, MISSIONS
Happy Anniversary, Viking Lander
(NASA Astrobiology Institute) - On July 20, 1976, NASA's Viking 1 lander touched down safely on the surface of Mars, revealing an alien world that continues to puzzle scientists and tempt explorers.

Jul 26, 2001 | SCIENCE
Mars: Dead or Alive?
(NASA Astrobiology Institute) - Recent research on the planet has convinced some scientists that Mars may still be geologically active.

Jul 20, 2001 | SCIENCE, MISSIONS, TECHNOLOGIES
Twenty-Five Years after Viking, Mars Life Debate Continues
(CNN) - On the anniversary of the first Viking landing on Mars, scientists disagree over what Viking found when it scooped up Martian soil.

Jul 20, 2001 | SCIENCE
Astrobiologist Harold P. 'Chuck' Klein Remembered
(NASA) - Klein helped mold NASA Ames Research Center into NASA's lead center for astrobiology.

Jun 11, 2001 | MISSIONS
Mars Odyssey on Track and 'Working Very, Very Well'
(Space.com) - The spacecraft is roughly one-third of the way to Mars.

Sep 14, 2000 | SCIENCE, MISSIONS, TECHNOLOGIES
How deep to dig for life on Mars?
(NASA) - NASA researchers have simulated chemical processes in the Martian soil. Their findings will help determine how deep to dig to look for life on Mars.

Aug 21, 2000 | SCIENCE, MISSIONS
Liquid water on the surface of Mars?
(space.com) - A group of scientists disputes the consensus that liquid water can't exist on the Martian surface.

May 02, 2000 | SCIENCE, MISSIONS
Have we missed signs of life on Mars?
(Spaceflight Now) - The Viking landers may have overlooked traces of life on Mars because they were searching for the wrong chemicals.