US space shuttle returns to Earth
img src="http://newsimg.bbc.co.uk/media/images/45255000/jpg/_45255302_shuttle_nasa_body226.jpg" align="left" width="226" height="170" alt="Space shuttle seen from International Space Station" border="0" vspace="4" hspace="4"p class="first"BThe space shuttle Endeavour has returned to Earth after an eventful mission to repair parts of the International Space Station (ISS)./BPThe shuttle's landing site was switched from Florida to Edwards Air Force Base in California ...