Live coverage: Proton launch runs into trouble

SpaceX test-fired a Falcon 9 rocket at Cape Canaveral on Saturday evening, clearing the way for a delayed liftoff with the Israeli-owned Amos 17 commercial communications satellite as soon as Tuesday, assuming SpaceX can work its way into a busy schedule before a previously-planned Atlas 5 launch this week on the U.S. Air Force’s Eastern Range.

NASA astronaut Chris Cassidy’s family will be watching remotely from halfway around the world when he blasts off April 9 from Kazakhstan to begin a six-month expedition on the International Space Station.

A new satellite bound for geostationary orbit more than 22,000 miles over the equator launched aboard a Chinese Long March 3B rocket Thursday, but government officials have released little information about its mission.