Teacher-astronaut Morgan coming home a little early

Their mission cut short by Hurricane Dean, astronauts aboard the shuttle Endeavour are wrapping up their work in orbit and preparing to come home Tuesday, August 21. Dean no longer posed much of a threat to the Houston home of Mission Control, but managers did not want to take any chances. NASA said the preliminary weather forecast looked good for Tuesday’s planned early afternoon touchdown at Kennedy Space Center. Teacher-astronaut Barbara Morgan, Christa McAuliffe’s backup for the doomed Challenger flight, was scheduled to join Endeavour commander Scott Kelly and Canadian astronaut Dave Williams for a chat with students in Saskatchewan Monday. Read more at bostonherald.com.