Watch live video of the Solar Orbiter launch pad at Cape Canaveral (members only)

NASA has agreed to consider a Boeing proposal to extend the first piloted test flight of its commercial CST-100 Starliner crew capsule from two weeks to up to six months with an extra crew member for the International Space Station, hedging against potential delays that could jeopardize U.S. crew access to the orbiting outpost.

A replay of the United Launch Alliance Atlas 5 rocket launching Mexico’s Morelos 3 communications satellite from Cape Canaveral, Florida.

A satellite to provide residential Internet services across the U.S. was hoisted aboard its United Launch Alliance Atlas 5 booster on Saturday, Dec. 10 in preparation for liftoff on Sunday, Dec. 18.