A truck-sized asteroid that suddenly loomed out of the darkness a few days ago -- with the Earth in its sights -- sailed ...

tsunami-generating monsters of Deep Impact. The close call will leave a more lasting impact on the asteroid itself, NASA's number-crunchers said. Earth's gravity will affect the object's orbit ...

At its nearest point, the asteroid was just 2,200 miles (3,600 kilometers) from Earth's surface -- just a quarter of the ...

The rock, which was spotted for the first time on Saturday by an amateur stargazer in Crimea, came closest to the southern ...

At its nearest point, the asteroid was just 2,200 miles from Earth's surface — just a quarter of the height of many of the ...

BU, which was first spotted on Saturday, whizzed past without incident - and would likely have not made much of an impact had ...