Live coverage: Vega rocket launches with LISA Pathfinder

A SpaceX Falcon 9 rocket lifted off Tuesday with five communications satellites for Iridium’s commercial voice, data relay, and tracking network, and a pair of U.S.-German research craft to probe Earth’s climate and water cycle. Launch from Vandenberg Air Force Base, California, occurred at 12:47 p.m. PDT (3:47 p.m. EDT; 1947 GMT).

Nearly a year-and-a-half after arriving at the red planet, Europe’s ExoMars orbiter is finally approaching a planned perch around 250 miles over the rust-colored world after repeatedly dipping into the Martian atmosphere to lower its orbit.

Arianespace has announced OneWeb, the broadband Internet provider seeking to deploy more than 600 satellites into low Earth orbit, as the launch customer for the inaugural flight of the new Ariane 6 rocket in 2020.