How ancient microbes survived in a world without oxygen has been a mystery. Scientists discovered a living microbial mat that uses arsenic instead of oxygen for photosynthesis and respiration.
Articles on Mars
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The clouds of Venus may harbour alien life. But where else?
The Perseverance rover onboard Mars
2020 is our best bet for finding life on the red planet.
Australian scientists have been working on NASA’s latest Mars mission for years.
This summer, NASA’s Mars Perseverance rover is taking the next giant leap in our search for signs of life beyond Earth.
In just a few years, the Hope mission has boosted UAE’s economy and science capacity.
A new country launches a mission to Mars. A space expert explains what this means for the Middle East and the African continent.
Space agencies are seeking new ways to be prepared for a surgical emergency on a mission to Mars.
Martian meteorites allow scientists here on Earth to decode that planet’s geology, more than a decade before the first missions are scheduled to bring rocks back home from Mars.
An update of 50-year-old regulations has kickstarted research into the next generation of rockets. Powered by nuclear fission, these new systems could be the key to faster, safer exploration of space.
US and international law conflicts about who would be in charge if a private company established a Moon base or colonized Mars.
Understanding isolation’s effects on regular people, rather than those certified to have ‘the right stuff,’ will help prepare us for the future, whether another pandemic or interplanetary space travel.
Delay has turned space mission ExoMars2020 into ExoMars2022.
NASA’s InSight lander has recorded the first evidence of earthquake-like tremors on Mars. The discovery opens a new chapter in our understanding of the geological processes at play on another world.
The InSights mission is producing the first evidence-based picture of Mars’s interior.
Sex technologies and ‘erobots’ could help address issues related to human desire, and physical and emotional needs of astronauts in space.
In preparation for possible future missions to Mars, scientists figure out how to quickly and efficiently measure brain performance and mental fatigue.
An expert explains the challenges of a mission to Mars for younger readers.
From alien life to human spaceflight, 2020 may deliver some exciting news.
Many people are still upset that Pluto was demoted from being a planet. But definitions of various celestial objects are fairly fluid. So whether it is an asteroid or moon or planet is up for debate.
Top contributors
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Postdoctoral research associate, University of Oxford
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Professor of Planetary and Space Sciences, The Open University
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Professor of Planetary Geosciences, The Open University
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Professor of Physics, Deputy Director (Solar System) at the Mullard Space Science Laboratory, UCL
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Senior Lecturer in Physics, Nottingham Trent University
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Senior Instrument Scientist, Australian Nuclear Science and Technology Organisation
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Senior Curator (Astronomy), Museums Victoria Research Institute; The University of Melbourne
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University Distinguished Professor of Astronomy, University of Arizona
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Scientist, Max Planck Institute for Solar System Research
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Professor of Strategy and Security Studies, Air University
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Professor of Planetary Science, University of Leicester
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Professor in Earth Sciences, Nanyang Technological University, Singapore, and Emeritus Professor of Mineral Physics, University of Cambridge
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Kevin Orrman-Rossiter is a Friend of The Conversation.
Sterrenkenner, History & Philosophy of Science, The University of Melbourne
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Earth Sciences Postdoctoral Scientist and Adjunct Associate, Dartmouth College
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ARC Future Fellow, School of Earth and Planetary Sciences, Curtin University