Just about every two years, the planet Mars makes its closest approach to Earth... around 36 million miles. That's when we pack our robotic emissaries...
A group of scientists who were once mocked for their 'end of the world' asteroid explosion beliefs are given new respect by the astronomical community...
ANU Public lecture: Target earth: the asteroid impact history of Australia - Dr Andrew Glikson. This video was recorded at The Australian National University on...
For more videos, go to www.discoverynews.com. With thousands of asteroids, comets and other near-Earth object buzzing by our planet, Jorge Ribas finds out how we...
