The 150-foot-wide asteroid 2012 DA14 will give Earth a close shave today, coming within 17,200 miles of our planet, and you can watch it live online. The space rock will be at its closest ap... Read more
Dr. Joseph Murray, the surgeon who carried out the first successful kidney transplant and later won a Nobel Prize for his work in medicine and physiology, died on Monday in Boston at the age... Read more