Live coverage: Falcon 9 disintegrates after launch

Keith Gendreau, an astrophysicist at NASA’s Goddard Space Flight Center, recently spoke with Spaceflight Now about a new experiment on the International Space Station to demonstrate X-ray communications in space for the first time.

Follow the key events of the Falcon 9 rocket’s ascent to orbit with the fourth set of 10 next-generation satellites for Iridium’s voice and data relay fleet.

Loaded with mice, plant specimens and the International Space Station’s first espresso machine, a SpaceX Dragon cargo capsule arrived at the complex Friday with a fresh delivery of supplies. ESA astronaut Samantha Cristoforetti grappled the spacecraft with the station’s robot arm at 6:55 a.m. EDT (1055 GMT).