New research is reshaping how scientists understand the earliest days of Earth’s formation—suggesting that the deep interior of our planet locked in its defining features just 100 million years after ...
A bright fireball streaked across the sky above mountains, glaciers and spruce forest near the town of Revelstoke in British Columbia, Canada, on the evening of March 31, 1965. Fragments of this ...
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Super-low-density worlds reveal how common planetary systems form
Most planetary systems contain worlds larger than Earth but smaller than Neptune, and the low-density planets around one ...
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