BAD WEATHER MAY DISRUPT SHUTTLE LANDING SCHEDULE

(AP) --  Astronauts are conserving power on the space shuttle Atlantis because bad weather in Florida may keep them in orbit longer than planned.
Storms could delay a scheduled Friday landing at Kennedy Space Center. NASA can try again in Florida on Saturday and if that doesn't work, they have several options for a Sunday landing. 

Astronauts have the day off Wednesday. They told reporters during a news conference that they were looking forward to coming home after the 11-day mission. 

They said their upgrades of the 19-year-old Hubble Space Telescope showed how important it is to have humans and machines work together in space. 

Later Wednesday, President Barack Obama will make a private phone call to Atlantis. 

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