"We never forget how serious the physics is," Rex Walheim, who leads the exploration branch of NASA's astronaut office, told his Hollywood guests. "We've lost friends in the business."

Launch Complex 36 at Cape Canaveral will be the site of a clean-sheet facility for launching Blue Origin’s planned orbital launch vehicle and testing its methane-fueled BE-4 rocket engine.

"That's it guys," Soyuz commander Gennady Padalka told crewmates moments before touchdown. "You can relax now."

This week's top aerospace and defense news you don't want to miss, from Italy's first F-35 flight to SpaceX's new Falcon Heavy launch date.

New imagery from NASA's Dawn mission spacecraft reveals the ever increasing mystique of the dwarf planet Ceres and its gleaming white spots.

Boeing says it is on track to fly its CST-100 commercial crew vehicle in September and December 2017 for the first U.S.-launched human missions to the International Space Station since 2011.

SpaceX says it remains at least “a couple of months” away from returning to flight following the Falcon 9 launch failure on a resupply mission to the International Space Station on June 28, partially because the company’s accident investigation has taken longer than expected.

"Craters should be bowl shaped, but this one had terraces," said Ali Bramson, University of Arizona graduate student researcher.