Researchers Likely Found A New Planet In Our Solar System

Researchers Konstantin Batygin and Mike Brown, two CalTech scientists, say the new planet is about 10 times the mass of Earth and has an atmosphere of hydrogen and helium. Science magazine reports that the mysterious "Planet X" moves in a distant orbit beyond Neptune.

$100 Million Invested in the Search for Alien Life

Russian billionaire Yuri Milner and British astrophysicist Stephen Hawking have announced a $100 million investment in SETI, a private US based group of researchers who search for extraterrestrial intelligence.