Space
Ice at Mars’s equator hints the planet was once much more tilted
Most of the water on Mars is at its poles, but ice near the equator may mean that the way the red planet is tilted has changed over the last few million years
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Space
Nuclear reactors on rockets may fuel future crewed trips to Mars
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Space
Mars’s surface hosts millions of towering dust devils every day
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Earth
NASA’s planetary protection officer will defend Mars, not Earth
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Space
Elon Musk seems to have ditched Red Dragon lander plan for Mars
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Space
The bandwidth black hole that will kill Elon Musk’s Mars dream
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Life
Mars rover sees signs of microbe-friendly layers in ancient lake
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Health
Odds on: 10 science breakthroughs you can bet on
Features
Space
Earth may have been born in a huge flare-up of the young sun
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Space
Martian life must be rare as free energy source remains untapped
The amount of carbon monoxide in Mars’s atmosphere suggests that any existing bacteria that feed on it make up no more than one billionth of Earth’s biomass
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Space
Mars Trojans may be part of a planet that was destroyed long ago
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Space
Mars’s atmosphere hosts metal layers that shouldn’t exist
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Physics
Mars is so small because Jupiter shook up its formation
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Environment
NASA orbiter shows Mars lost 90 per cent of its CO2 to space
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