SpaceX's big new rocket stood ready to blast off on its first test flight Tuesday, as crowds began gathering at daybreak for the afternoon launch debut.
SpaceX has postponed a satellite launch from Vandenberg Air Force Base in California.
An unmanned Russian cargo ship has docked successfully at the International Space Station, delivering a fresh batch of supplies for the crew.
Russian space agency Roscosmos has delayed the launch of a Soyuz rocket carrying a Progress cargo ship by two days after Sunday's planned lift-off was aborted at the last minute.
SpaceX on Wednesday blasted off a four-ton secure military communications satellite called GovSat-1, a partnership between the government of Luxembourg and the satellite operator SES.
Millions of dollars offered in the Google Lunar X Prize competition will go unclaimed despite a decade of work.
Sixty years ago next week, the hopes of Cold War America soared into the night sky as a rocket lofted skyward above Cape Canaveral, a soon-to-be-famous barrier island off the Florida coast.
In this image from 2009, NASA astronaut Stephanie Wilson is attired in a training version of her shuttle launch and entry suit, as she participates in a training session in the Space Vehicle Mock-up Facility at the Johnson ...