This massive amount of smoke is coming from NASA's Kennedy Space Center launch pad.
That's the launch pad where an unmanned SpaceX rocket was set to take off. The company claims the explosion was caused by an "anomaly." It was reportedly felt miles away.
A statement from SpaceX said there weren't any injuries and the pad was clear at the time of the blasts.
"Really a devastating explosion. There's extensive damage to the launch pad and of course the rocket itself," CBS senior space consultant Bill Harwood said.
The local emergency management office tweeted there wasn't a threat to the public.
The explosion happened during a static test fire. That's when the rocket doesn't move when the engine is turned on. The test was in preparation for a launch Saturday.