Here's why SpaceX canceled its launch twice -- and when the next attempt will be

SpaceX on Flickr After postponing its second launch of the year twice in the last week, SpaceX announced that it is ready to try again on Sunday, Feb. 28 at 6:46 p.m. ET. Scrubbing a launch is not uncommon in the rocket business, nor is it necessarily a sign that something is wrong with the rocket, or its cargo. There are a number of factors to consider when launching a rocket including weather, fuel temperatures, and boats that stray too close to the launch pad. And as of Thursday evening, the ...