Space
NASA’s new budget is big on other worlds but ignores our own
The NASA Transition and Authorization Act instructs the space agency to send humans to Mars, robots to Europa and look for life - but not to study Earth
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Space
Mars might already be building rings from its moons
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Space
The Mars paradox: Why we still don’t understand water on Mars
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Space
Mars landing sites for 2020 NASA mission down to the final three
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Space
Oxygen ions sent from Earth have been spotted on the moon
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Life
Dried-up slime could help microbes survive briny waters on Mars
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Space
Dried-up slime could help microbes survive briny waters on Mars
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Space
Curiosity finds Mars rock that may be a meteorite made from iron
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Earth
Of presidents and planets: Neil deGrasse Tyson looks ahead
Features
Space
Four extreme environments where humans are tasting life on Mars
Space agencies use some of Earth鈥檚 extreme habitats to fine-tune techniques for a trip to the Red Planet. 快猫短视频 gathered postcards from four of them
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Life
My year on Mars: Frontier life of a space doctor
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Space
Mars should have loads more water 鈥� so where has it all gone?
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Environment
A dash of hydrogen and methane could have kept Mars warm
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Space
The world in 2076: Thousands of people have settled on Mars
Features