Live coverage: SpaceX launches GPS navigation satellite for U.S. Air Force

NASA will say goodbye to the Spitzer Space Telescope this week after more than 16 years observing the most distant galaxies ever detected, planets orbiting other stars, and star-forming clouds of dust and gas.

NASA ground crews at the Kennedy Space Center are continuing to stack segments of the Space Launch System’s side-mounted solid rocket boosters on a mobile launch platform inside the iconic Vehicle Assembly Building.

A commercial cargo carrier owned and operated by SpaceX pulled into port at the International Space Station on Monday, three days after launching from Cape Canaveral with a NASA Earth science instrument, a spare hand for the lab’s Canadian robotic arm, and an AI-powered helper bot for the research lab’s six-person crew.