Q&A with Eric Smith, JWST program director

SpaceX’s Falcon 9 rocket will go from Cape Canaveral to low Earth orbit in less than 10 minutes Friday night with a Dragon capsule heading for the International Space Station carrying more than 4,300 pounds of supplies and experiments.

A mission to investigate the atmospheres of planets around other stars has been selected by the European Space Agency for launch in the late 2020s, officials announced this week.

Arianespace officials have approved the rollout and launch of the final Ariane 5 flight of the year, set to blast off Wednesday from French Guiana to haul Brazilian and Japanese communications stations toward their orbital perches more than 22,000 miles above the equator.