It’s not easy to collect rocks on a budget when the rocks are 140 million miles away.
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Articles on Mars
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The Perseverance rover has arrived at what’s thought to be an ancient shoreline on Mars.
There’s anxiety among space scientists following Nasa’s decision to rethink sample return mission from Mars.
Deep-sea sediments show how the changing orbits of Earth and Mars are linked to past global warming and the speeding up of deep-ocean eddies.
Determining whether or not life exists on another planet is an extraordinarily complicated – and expensive – scientific endeavor.
The next generation of spacesuit needs to do more than simply protect an astronaut from the vacuum of space.
Can astronauts spend prolonged time in close quarters millions of miles from Earth without killing each other?
While NASA rovers on the surface of Mars look for hints of life, researchers back on Earth are studying ‘echoes of life’ from ancient basins – hoping that the two sites might be similar.
Mars has been a popular destination since space exploration began – and there are plenty of people who’d love to go there.
Among the missions being planned is a huge helicopter drone to explore Saturn’s moon Titan.
In sci-fi depictions, extraterrestrial habitats have evolved tandem with scientific understanding of conditions on planets
You might hate winter, but at least you know what to expect every year. Other planets have wobbly axes that lead to wild, unpredictable seasons.
Moons and asteroids will be visited by spacecraft from Earth next year.
A Japanese spacecraft is expected to reach Martian orbit in 2025 to collect material from the surface of the moon Phobos before returning to Earth by 2029.
Some space rocks you can get for free – if you know how to identify them. Rarer materials cost more, and the asteroid sample NASA just brought back has a high price tag.
Control experiments are critical in informing the search for alien life.
Space can damage everything from your cardiovascular and nervous systems to your mental health – long voyages can feel isolating for many.
Planetary analogues are sites on Earth that are so extreme that they replicate those of celestial bodies in our solar system.
If an astronaut were to die on Mars, neither cremation nor burial would be good options.
There’s a limit to the amount of oxygen we can carry with us in space – particularly if we want to do long-haul journeys to the Moon and Mars.
Top contributors
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Professor of Planetary and Space Sciences, The Open University
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Post Doctoral Research Fellow in Space Science, University of Birmingham
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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 and Honorary Fellow at University of Melbourne, Museums Victoria Research Institute
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Professor of Strategy and Security Studies, Air University
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Senior Lecturer in Environmental Science and Planetary Exploration, University of Stirling
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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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Sterrenkenner, History & Philosophy of Science, The University of Melbourne
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University Distinguished Professor of Astronomy, University of Arizona
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Professor of Planetary Science, University of Leicester
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Professor of Astrobiology, UNSW Sydney
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ARC Future Fellow, School of Earth and Planetary Sciences, Curtin University
