Pakistan, April 21 -- A private cargo ship brought the makings of an Easter feast to the International Space Station on Friday, along with mice and little flying robots.

Space station astronaut Anne McClain used a robot arm to capture Northrop Grumman's Cygnus capsule as they soared 258 miles (415 kilometers) above France.

The Cygnus and its 7,600-pound (3,450-kilogram) shipment rocketed from Wallops Island, Virginia, on Wednesday, completing the trip in a quick day and a half. It holds numerous science experiments, including 40 mice taking part in a tetanus vaccination study, and three boxy free-flying robots designed to assist astronauts inside and out.

NASA also packed more than 800 meals for the six station residents. Their holiday...