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 US soil later this year.

Japan okays research using human cells in animals: AFP reports, Japan has given the green light to a controversial research process involving implanting animals with human stem cells that could eventually help grow human organs for transplant inside animal hosts.