As commercial spaceflight companies lower the cost of reaching space, nations can launch more missions. But while astronauts are great for whipping up enthusiasm, is a manned mission worth the cost?
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Articles sur Curiosity Rover
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NASA's InSight Mars lander touches down Nov. 26, part of a careful robotic approach to exploring the red planet. But human exploration of Mars will inevitably introduce Earth life. Are you OK with that?
Following NASA's latest discovery of organic matter on the red planet, new findings in a salt lake in California could point to where to look for alien life.
They erupted for billions of years and make Earth's volcanoes look like molehills. Here's what we know and what we don't know about them.
This week, NASA has discovered great similarities between the Earth and Mars and Pluto. But when it comes to the potential for life, Mars is an increasingly hot favourite.
Now that we have discovered liquid water on the surface of Mars, what does this mean for the prospects of finding life there, past or present?
Everything in space is so far away, but probes bring us closer.
Astrophysicists found out after the January 2014 solar flare that their predictions of solar weather were not very accurate. Here's the fix (kind of).
Les contributeurs les plus fréquents
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Australian Research Council Future Fellow, University of Western Australia
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Senior Lecturer in Earth System Science, University of Hull
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Senior Lecturer in Geology, University of Aberdeen
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ARC Laureate Fellow, Curtin University
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Professor of Planetary and Space Sciences, The Open University
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Professor of Astronomy, Vanderbilt University
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Lecturer in Astronomy, Nottingham Trent University
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Lecturer in Mathematics, University of Dundee
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Senior Research Fellow, Curtin University
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Research Associate (School of Geographical and Earth Sciences), University of Glasgow
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Distinguished Educator in Residence, Boise State University
