SpaceX pushed one of its most-used boosters to its limits with a launch Tuesday evening from Cape Canaveral, Florida.

SpaceX is looking to push one of its most used boosters to its limits with a launch Tuesday evening from Cape Canaveral. A Falcon 9 rocket flying a booster for a record-tying 22nd time will try and make a recovery landing even though it’s being used to fly its payload,

SpaceX said Thursday it "forcefully rejects" the Federal Aviation Administration's conclusion that Elon Musk's company failed to follow U.S. regulations during two rocket launches, alleged violations carrying $633,