Two astronauts stepped out of the SpaceX Dragon capsule to perform the world’s first private spacewalk.
African countries produce less than 2 percent of the vaccines the continent needs, experts say.
It will be the first-ever spacewalk on a private mission. But does the US bear no responsibility for SpaceX’s ambitions?
Astronauts Butch Wilmore and Suni Williams will remain at the International Space Station until February 2025.