NASA to launch new mission to better estimate asteroid impact hazard

NASA is planning to launch a new mission in 2016 to find potentially hazardous asteroids and predict their impact threat to Earth.

New force can propel asteroids onto earth`s path

The work of a scientist has helped reveal a rare orbital shift and the density of an asteroid that will pass close to Earth.

Asteroid measured when nudged by sunlight

NASA scientists have measured the orbit of asteroid with such accuracy that they were able to directly measure the drift resulting from a subtle but important force called the Yarkovsky effect.