A Joseph asteroid is barreling towards -- eight times faster than a speeding bullet passing closer to lessen the satellites that broadcast is very program. But were still on a crash course here's ABC's Neal Karlinsky. On a sliding scale of things -- ruin your...
On Friday the 165-foot-diameter asteroid 2012 DA14 will pass by the planet just 18,000 miles above the atmosphere. The near miss of Earth is a dramatic reminder of the threat posed by its rogue relatives. Planetary scientists estimate there are close to a million near-earth...
A NASA Astronaut -- with a compelling new mission to change the course of the solar system. Dr. Lu served as a NASA Astronaut for 12 years. He flew the Space Shuttle twice, the Russian Soyuz, and a 6-month tour on the International Space Station. Altogether...