Since arriving at Mars in 2012, NASA’s Curiosity rover has drilled into rocks in search of organics – molecules containing carbon. Organics are the building blocks of all life on…
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This space engine runs on thin air
March 8, 2018The thruster devours molecules it plucks from the air.
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See all 5 bright planets in March
March 2, 2018You can’t see them simultaneously. But, especially from the Northern Hemisphere, March 2018 is a great month for catching all 5 bright planets either after sunset, or before dawn.
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This Week's Sky at a Glance, February 17 – 25 – Sky & Telescope
February 20, 2017