No, it Wasn't a "Nuclear Alien UFO"! We Demystify the SpaceX Launch
Pop Science Associate Editor Mary Beth Griggs explains the mysterious plume that accompanied SpaceX's Falcon 9 rocket launch last week.
For full interview [click here](https://cheddar.com/videos/what-made-spacexs-rocket-launch-look-like-an-alien-invasion).
At least two people have died, thousands of U.S. flights have been canceled and more than 1 million have lost power as destructively strong storms move through the eastern U.S.
