Reuters Science News Summary

Following is a summary of current science news briefs.

SpaceX rocket with unmanned U.S. capsule blasts off for space station

A SpaceX rocket with an unmanned crew capsule blasted off on Saturday for the International Space Station, in a key milestone for Elon Musk's space company and NASA's long-delayed goal to resume human spaceflight from U.S. soil later this year. SpaceX's 16-foot-tall (4.9 meter) Crew Dragon capsule, atop a Falcon 9 rocket, lifted off from Florida's Kennedy Space Center at 2:49 a.m. (0749 GMT), carrying a test dummy nicknamed Ripley.