"Alexa, open SpaceX info."
"Alexa, ask SpaceX Info when is the next launch"
"Alexa, ask SpaceX Info what is the next launch"
This skill tells you the date and time of the next SpaceX launch. It also gives you the name of the rocket and the payload, if any, it is carrying.
It makes use of the SpaceX Data REST API (https://github.com/r-spacex/SpaceX-API).