Q&A with Tim Ellis, CEO and co-founder of Relativity Space (members only)

Watch a video clip of the Falcon 9 rocket’s first stage separating and firing its engines to return to Cape Canaveral shortly after liftoff Jan. 7.

A Russian Proton rocket topped with a commercial U.S.-built communications satellite for AsiaSat is standing on a launch pad in Kazakhstan for liftoff Thursday.

Two Earth-imaging satellites and an experimental solar sail payload rocketed into orbit Thursday aboard a Chinese Long March 4B launcher, the first flight for China’s Long March 4 rocket family since an upper stage failure in May.