A "potentially hazardous" asteroid the size of a pyramid will skim past Earth today, Nasa has revealed. The space rock, known ...
A case in point: a European Space Agency satellite, known as ERS-2, launched in 1995 and inactive since 2011, tumbled through ...
NASA is monitoring a large asteroid, 2014 TN17, which will pass Earth at a safe distance of about 3 million miles. The ...