To be able to better calculate the statistics and narrow down concrete possibilities, astronomers need to detect as many ... any asteroid far ahead of impact is quite small. "There is no easy ...

Grab an asteroid. Bring it back to Earth ... who helped organize the workshop. In fact, many of these ideas have been on the drawing board for years as part of NASA’s planetary defense program ...

Posey pressed, drawing chuckles from the hearing room ... causing sharp explosions and reportedly injuring around 100 people, including many hurt by broken glass. NASA has identified and ...

Nasa is planning an audacious mission to catch an asteroid in a giant, draw-string bag and tow it to the Moon - close enough for human explorers to visit. The U.S. space agency is set to ask ...

An asteroid passed by closer to Earth this month ... For context, geosynchronous orbits-- "sweet spots" where many communications satellites reside -- are over 22,000 miles (35,000 kilometers) ...

CAPE CANAVERAL, Fla. — An asteroid the size of a school bus is headed our way, but in spite of swinging far closer than many of the satellites orbiting Earth, the space rock should zoom safely ...

As a NASA craft slams into an asteroid to try and divert its course, we ask how many there really are ... will help scientists understand how easy it would be protect Earth if one was headed ...