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This newly found super-Earth might have blown off its own atmosphere
The faraway exoplanet could help provide answers as to why there are hardly any planets with twice the diameter of Earth.
SpaceX is set to launch 4 people on a first-of-its-kind mission around Earth’s poles. Here’s what to know
A four-person crew will spend three to five days aboard a SpaceX capsule orbiting above the poles of Earth — a flight path ...