Dr. Edward Guinan

(credit: DESIREE MARTIN/AFP/Getty Images)

Historic NASA Mission Captures Images Of Pluto

Data retrieved by the probe is expected to unlock secrets of the solar system.

07/14/2015

In this Caltech undated handout, a rendering of the farthest object in our solar system, Sedna, is seen. Sedna is a mysterious planet-like body three times farther from Earth than Pluto. NASA held a news conference  March 15, 2004 to detail the findings by a team of astronomers at Caltech led by Dr. Mike Brown.  (Photo by Caltech/Getty Images)

With Discovery of Dwarf Planet, Local Astronomer Says Scientists One Step Closer in Solving Mysteries of Outer Space

Could a recent discovery of a dwarf planet hint that a separate planet bigger than earth exists?

03/27/2014