A chunk of foam fired at high speed cracked a pair of space shuttle wing parts Friday, offering what investigators said was the most powerful evidence yet to support the theory that a piece of the ...

HOUSTON, June 4 -- Foam debris crashing into the leading edge of a space shuttle's wing has the potential to cause much worse damage than anyone had suspected, an investigator of the Columbia disaster ...

CAPE CANAVERAL, Fla. — Lacking the proper laser tools, shuttle Discovery’s astronauts performed a cursory wing inspection Sunday as they zoomed closer to the international space station. About five ...

SAN ANTONIO — Columbia investigators obtained their first direct evidence in a test Friday that foam debris caused the space shuttle accident: a foam block fired at a wing panel left a three-inch ...

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In this image from television on Friday, a chunk of foam is fired at high speed into a space shuttle wing panel during a test in San Antonio. Officials say the test lends credence to the theory that ...

The high-velocity impact of foam on the leading edge of a space shuttle wing causes serious damage, initial tests have revealed. The results were released by the Columbia Accident Investigation Board ...