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Astronomers have discovered that "super-Earth" planets may exist on wider orbits than previously thought — and this implies these rocky, or "terrestrial," worlds are far more common than was suspected ...
Scientists have discovered a new way to uncover what lies beneath the surfaces of planets like Mars by studying the debris ...
A new study released on Thursday describes a search for what are called "microlensing" events, where a planet acts as a ...
Astronomers believe that Planet Nine could be 5-7 times the size of Earth and situated more than 200 times farther from the sun than our planet. It is believed to orbit the Sun in 10,000 to 20 ...