Topic: Socorro (New Mexico)
Asteroid 2011 MD, reached its closest point to Earth just after 1 p.m. EDT, when it crept within 7,500 miles of Earth before whipping away again like a slingshot.
06/27/2011 07:24 pm
'No return' flights to Mars are many times cheaper – and volunteers are lining up.
11/17/2010 04:55 pm
Thanks to new tools, scientists are quickly mapping the stars.
11/02/2009 12:00 am