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  Glowing like a multi-faceted jewel, the planetary nebula IC 418 lies about 2000 light-years from Earth in the constellation Lepus. In this picture, the Hubble telescope reveals some remarkable textures weaving through the nebula.
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  This image shows HD 189733b, a huge gas giant that orbits very close to its host star HD 189733
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  This craggy fantasy mountaintop enshrouded by wispy clouds looks like a bizarre landscape from Tolkien's The Lord of the Rings.
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  This light-year-long knot of interstellar gas and dust resembles a caterpillar on its way to a feast. But the meat of the story is not only what this cosmic caterpillar eats for lunch, but also what's eating it.
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  The heart has its own brain. Now, scientists have drawn a detailed map of this little brain, called the intracardiac nervous system, in rat hearts.
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  In 2014, astronomers using the NASA/ESA Hubble Space Telescope found that this enormous galaxy cluster contains the mass of a staggering three million billion Suns so it is little wonder that it has earned the nickname of