Watch our interview with two International Space Station astronauts

The first of two launches by SpaceX this week lifted off Monday, Dec. 3, from Vandenberg Air Force Base in California carrying 64 microsatellites and CubeSats to an orbit more than 350 miles (575 kilometers) above Earth.

Watch a replay of SpaceX’s Falcon 9 rocket taking off from pad 39A at NASA’s Kennedy Space Center with the BulgariaSat 1 communications satellite, as viewed from the press viewing site around three miles away.

The threat from Hurricane Nicole churning toward a tracking station in Bermuda will keep Orbital ATK’s Antares rocket from launching on a space station cargo run until at least Sunday, officials said Tuesday.