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TRENDING RIGHT NOW

Credit: Wikicommon

How hot or not is a Black Hole?

Dark, seasonal flows emanate from bedrock exposures at Palikir Crater on Mars in this image from the High Resolution Imaging Science Experiment (HiRISE) camera on NASA's Mars Reconnaissance Orbiter. Image Credit: NASA/JPL-Caltech/Univ. of Arizona

Water flowing on Mars

A Ghostly Cradle Of Stars

The newly discovery dwarf planet shows up as red-green-blue coloured dots. Three images, each taken about two hours apart, were combined into one. The orbit of this world may be hinting that a planet far larger than Earth also lurks in the outer solar system Photograph: Scott S Sheppard/Carnegie Institution for Science

Rulers of the Oort Cloud