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Next Launch Luch-5V on a Proton-M rocket from Baikonur Cosmodrome, Kazakhstan scheduled for 28 Apr 14 4:25:00 GMT

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Putting an End to the Planet X Saga? Latest Search for Hypothetical Planet at Edge of Solar System Comes Up Empty

The notion of Planet X, a hypothetical massive planet orbiting the Sun beyond the known reaches of the Solar System, has held great appeal for the general public for many decades. The newest results from NASA’s WISE mission, however, indicate that no such planet exists. Image Credit: Warner Bros.

 

Deeply ingrained in popular [...]

Planets Orbiting Dying Stars Are Probably Dead Too

Planets orbiting white dwarf or brown dwarf stars may not be good candidates for life, a new study shows. Image Credit: NASA / S. Charbinet

If you are searching for other inhabited worlds, almost any kind of star may do according to current findings, except perhaps for white dwarfs. As it turns out, planets [...]