On November 8 and 9, the quarter-mile-wide asteroid 2005 YU55 will zoom past the Earth, coming within about 200,000 miles, a distance closer than our moon.
A NASA task force says the space agency should make protecting the planet a strategic goal.
The Hayabusa space capsule, which parachuted into the Australian Outback after a seven-year, billion-mile journey to the asteroid Itokawa and back, is now heading back to Japan for analysis.
A Japanese asteroid probe returned to Earth and sent a capsule plunging through the atmosphere over the Australian outback Sunday,
A Japanese space probe ended a seven-year journey to a nearby asteroid on Sunday, plunging through the atmosphere over the Australian outback.
The asteroid Apophis is very unlikely to smack Earth in 2036. That's the good news from a large group of planetary scientists meeting this week in Puerto Rico
The list of cosmic objects that could hit Earth is growing. Scientists study satellite 'tractors' and nuclear weapons as ways to divert asteroids headed our way.