Q&A with Guglielmo Aglietti, RemoveDebris principal investigator (members only)

Two days after lifting off aboard a SpaceX Falcon 9 rocket from the Complex 40 launch pad at Cape Canaveral Air Force Station, a commercial Dragon supply ship loaded with more than 4,800 pounds of supplies and experiments arrived Sunday at the International Space Station. Capture of the robotic cargo craft occurred at 5:57 a.m. EST (1057 GMT).

Two orbits. Five satellites. Five upper stage burns. Follow the key events scheduled during the European Vega rocket’s launch of the PeruSat 1 high-resolution reconnaissance satellite and four commercial eyes-in-the-sky owned by Google’s Terra Bella imaging company.

A European satellite that will collect daily air quality measurements over every major city on Earth rode an uprated Russian ballistic missile into orbit Friday.