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Research on clay formation could have implications for how to search for life on Mars

The Wdowiak Ridge on Mars as seen by NASA’s Mars Exploration Rover Opportunity. NASA/JPL-Caltech/Cornell Univ./Arizona State Univ.

Research on clay formation could have implications for how to search for life on Mars

Research on clay formation could have implications for how to search for life on Mars The Wdowiak Ridge on Mars as seen by NASA’s Mars Exploration Rover Opportunity. NASA/JPL-Caltech/Cornell Univ./Arizona State Univ. David Rothery, The Open University Today Mars has only a thin atmosphere, and […]

Star Trek discovery of alien life veers away from likely reality

Here, an alien crew member, Saru on Star Trek: Discovery. We often rely on science fiction to guide our expectations of alien life. We can hope lessons about accepting beings very different from yourself can be extracted by the series end. (Courtesy of CBS Studios)

Star Trek discovery of alien life veers away from likely reality

Star Trek discovery of alien life veers away from likely reality Here, an alien crew member, Saru on Star Trek: Discovery. We often rely on science fiction to guide our expectations of alien life. We can hope lessons about accepting beings very different from yourself […]

Mars Study Yields Clues to Possible Cradle of Life

This view of a portion of the Eridania region of Mars shows blocks of deep-basin deposits that have been surrounded and partially buried by younger volcanic deposits. The image was taken by the Context Camera on NASA's Mars Reconnaissance Orbiter and covers an area about 12 miles wide. Credits: NASA/JPL-Caltech/MSSS

Mars Study Yields Clues to Possible Cradle of Life

Mars Study Yields Clues to Possible Cradle of Life The discovery of evidence for ancient sea-floor hydrothermal deposits on Mars identifies an area on the planet that may offer clues about the origin of life on Earth. A recent international report examines observations by NASA’s […]

ALMA and Rosetta Detect Freon-40 in Space

Organohalogen methyl chloride (Freon-40) discovered by ALMA around the infant stars in IRAS 16293-2422. These same organic compounds were discovered in the thin atmosphere surrounding Comet 67P/C-G by the ROSINA instrument on ESA's Rosetta space probe. Credit: B. Saxton (NRAO/AUI/NSF); NASA/JPL-Caltech/UCLA

ALMA and Rosetta Detect Freon-40 in Space

ALMA and Rosetta Detect Freon-40 in Space Observations made with the Atacama Large Millimeter/submillimeter Array (ALMA) and ESA’s Rosetta mission, have revealed the presence of the organohalogen Freon-40 in gas around both an infant star and a comet. Organohalogens are formed by organic processes on […]

Worries about spreading Earth microbes shouldn’t slow search for life on Mars

The Viking landers in the 1970s were the last to look directly for life on Mars. NASA/JPL, CC BY

Worries about spreading Earth microbes shouldn’t slow search for life on Mars

Worries about spreading Earth microbes shouldn’t slow search for life on Mars The Viking landers in the 1970s were the last to look directly for life on Mars. NASA/JPL, CC BY Alberto G. Fairén, Cornell University There may be no bigger question than whether we […]

Ice mined on Mars could provide water for humans exploring space

There is water on Mars - but it’s buried, and frozen. from www.shutterstock.com

Ice mined on Mars could provide water for humans exploring space

Ice mined on Mars could provide water for humans exploring space There is water on Mars – but it’s buried, and frozen. from www.shutterstock.com Sophia Casanova, UNSW and Andrew Dempster, UNSW As humans spread out across the Earth, the locations of new colonies were driven […]

Cassini crashes: it’s time for a new mission to explore the possibility of life on Saturn’s moons

Cassini in front of The Lord of the Rings. NASA

Cassini crashes: it’s time for a new mission to explore the possibility of life on Saturn’s moons

Cassini crashes: it’s time for a new mission to explore the possibility of life on Saturn’s moons Cassini in front of The Lord of the Rings. NASA Monica Grady, The Open University NASA’s Cassini mission has made its “death plunge” into the swirling clouds of […]

The secrets of Titan: Cassini searched for the building blocks of life on Saturn’s largest moon

Cassini captures Saturn’s largest moon, Titan. NASA/JPL-Caltech/SSI

The secrets of Titan: Cassini searched for the building blocks of life on Saturn’s largest moon

The secrets of Titan: Cassini searched for the building blocks of life on Saturn’s largest moon Cassini captures Saturn’s largest moon, Titan. NASA/JPL-Caltech/SSI Courtney Ennis, La Trobe University Lakes and seas of liquid methane, rain from hydrocarbon clouds, and evidence of poisonous hydrogen cyanide in […]

Limits to growth: policies to steer the economy away from disaster

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Limits to growth: policies to steer the economy away from disaster

Limits to growth: policies to steer the economy away from disaster The earth is a finite place. Earth image from www.shutterstock.com Samuel Alexander, University of Melbourne If the rich nations in the world keep growing their economies by 2% each year and by 2050 the […]