A skyscraper-sized 'potentially hazardous' asteroid will zip through Earth's orbit on Halloween

A newly discovered, "potentially hazardous" asteroid almost the size of the world's tallest skyscraper is set to tumble past Earth just in time for Halloween, according to NASA.

A skyscraper-sized 'potentially hazardous' asteroid will zip through Earth's orbit on Halloween
A newly discovered, "potentially hazardous" asteroid almost the size of the world's tallest skyscraper is set to tumble past Earth just in time for Halloween, according to NASA.