SpaceX's 1st upgraded Dragon cargo ship docks itself at space station with science, goodies and new airlock

A SpaceX Dragon cargo ship arrived at the International Space Station today (Dec. 7) to deliver vital supplies for NASA and try something brand-new: park itself without the help of astronauts.

Source : https://www.space.com/spacex-cargo-dragon-crs-21-docks-at-space-station