Rocky planets larger than our own, so-called super-Earths, are surprisingly abundant in our Galaxy, and stand as the most likely planets to be habitable. Getting a better idea of their interior structures will help predict ...
Astrobiology
3 hours ago
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Japan's Hayabusa-2 probe will leave its orbit around a distant asteroid and head for Earth on Wednesday after an unprecedented mission, carrying samples that could shed light on the origins of the Solar System.
Space Exploration
6 hours ago
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172
Mini Mercury skipped across the vast, glaring face of the sun Monday in a rare celestial transit.
Space Exploration
17 hours ago
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379
SpaceX launched 60 mini satellites Monday, the second batch of an orbiting network meant to provide global internet coverage.
Space Exploration
20 hours ago
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