Q&A with John Shannon, Boeing’s SLS vice president and program manager (members only)

Mimi Aung leads a cadre of engineers developing the Mars Helicopter, an aerial drone set to fly to the Red Planet with the Mars 2020 rover.

A Cargo Dragon spacecraft launched to begin its fifth journey to the International Space Station, carrying with it more than 6,000 pounds of science and supplies. Liftoff happened at 9:29 p.m. EST Monday (0229 UTC Tuesday).

Astronauts Steve Bowen and Woody Hoburg suited up and floated outside the International Space Station Friday for a spacewalk to install and unroll an upgraded solar array wing delivered to the complex earlier this week by a SpaceX Cargo Dragon supply ship.