asteroid, NASA and Earth

The chance of a newly discovered space rock hitting Earth in about eight years was predicted at 1.6 percent last week. Though ...
"An asteroid this size impacts Earth on average every few thousand years and could cause severe damage to a local region," the European Space Agency said.
The hunk of space rock measures somewhere between 130 and 300 feet long, but its speed is unknown. “It’s a matter of ‘does it ...