The search is on for a giant tenth planet hidden in the Oort Cloud

We might just be on the verge of discovering a real Planet X, according to astronomers John Matese and Dan Whitmire. Subtle gravitational influences on comets way out in the Oort Cloud suggest there could be a huge gas giant affecting the other objects, and now NASA's Wise space telescope has given us the data to… » 2/15/11 12:07pm 2/15/11 12:07pm