One of the asteroids will come as close as within 120,000 miles from the Earth, soaring past at over 41,000 miles per hour.

Brand new research has produced a better estimate of its size and orbit, which give it a 3.8 percent chance of hitting the ... middle of the main asteroid belt between Mars and Jupiter.

Most asteroids orbit within the main asteroid belt between the orbits of Mars and Jupiter. But some follow paths that ...

Scientists said it most likely originated in the main asteroid belt between Mars and Jupiter, and is rich in silicates. At one point earlier this year, NASA and the European Space Agency put the ...