Spacewalking Astronauts Replace Equipment on Space Station By MARCIA DUNN     CAPE CANAVERAL, Fla. (AP) -- Leaving their orbiting outpost unmanned, the international space station's two astronauts floated outside on a spacewalk Friday and plugged in new antennas and replaced a worn-out piece of cooling equipment... 

Which of the following sections of a newspaper would this article likely appear in? World News, Sports, Business, or Science and Technology? 