space technology
SETI search may be seeking wrong target
The search for extraterrestrial life might have more luck listening for sentient machines than for sentient beings, a prominent researcher in the field says.
Mars life may have been missed years ago
New analysis of data sent from Mars 34 years ago showing there was no organic material on the planet suggests maybe there was after all, U.S. scientists say.
Commercial spacecraft in first drop test
A U.S. commercial spacecraft that may someday carry astronauts into space had its first successful high-altitude drop test, officials said.
Japan plans second asteroid sample grab
Japan will send another satellite on a mission to capture material from an asteroid and return it to Earth for study, scientists say.
China builds spacecraft for new mission
China has completed building its first unmanned space module and is testing its electronic, mechanical and thermal properties, a Chinese military source said.
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