An asteroid is likely to pass within 30,000 miles...astronomical agency that tallies the orbits of asteroids and comets announced Wednesday. Brian...an interview that calculations of the asteroid's progress were approximate and there...

A large asteroid has up to a 1-in-300 chance of hitting...could reduce uncertainties about the asteroid's path, possibly bringing the odds of...generations from now. Steven Chesley, an asteroid expert at NASA's Jet Propulsion Laboratory...

asteroid Any of the many small rocky or metallic objects in the Solar System, mostly lying in a zone (the asteroid belt ) between the orbits of Mars and Jupiter; also known...in size from almost 1000 km for Ceres (the first asteroid discovered, in 1801) down to less than 10 m for...

An asteroid circling the sun is in an intricate, long-distance dance with Earth...graceful movements measured in centuries, scientists have discovered. The asteroid -- asteroid 3753 -- can be considered a companion to Earth like the moon, according...

WASHINGTON An asteroid big enough to wipe out cities whizzed...a NASA scientist said Thursday. The asteroid, a collection of rock and dust a half-mi...solar system exploration division, the asteroid would have created a crater the size...

...Spotts Christian Science Monitor If an asteroid ever threatens to collide with Earth...issue: Astronomers have their eye on an asteroid called 99942 Apophis, discovered last...they haven't been able to calculate the asteroid's orbit with enough precision yet to...

...game of "catch me if you can," a small asteroid shares the same orbit with Earth - sometimes...of the most interesting orbits for an asteroid we have ever seen," said Paul Chodas...Propulsion Laboratory researcher who studies asteroids and who first plotted the bizarre motion...

...for historic Valentine's Day Eros asteroid encounter (C)1994-2000 M2 COMMUNICATIONS...solar panels forward as it approaches asteroid 433 Eros for a Valentine's Day rendezvous. Its intended is a near-Earth asteroid named for the Greek god of love...

It was an asteroid out of nowhere, and it was big. Really...N.M., unexpectedly spotted a massive asteroid passing near Earth. Two months later...ever at one of the 1,000 to 2,000 large asteroids that occasionally pass within 30 million...

...Laneman, 9, of Vernon Hills, wanted to know: How many asteroids are in the asteroid belt? If you have a question you'd like Kids Ink...school. For more information To learn more about asteroids and meteors, the Fox Lake Public Library suggests...