How many Planets are there in the Universe?
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Astronomers estimate that our galaxy has about one exoplanet for every star. Of course, some stars have many planets, such as our Sun, which has eight. And some stars have none. However, if a star lives long enough, planet formation … Read More

Found: The first exoplanet outside of our Milky Way
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In a galaxy far, far away lies an exoplanet circling a binary system that contains a neutron star or black hole. Astronomers believe they have discovered the first extragalactic exoplanet beyond our own galaxy. The binary system M51-ULS-1, located 28 … Read More