The RS-25 powered the space shuttle for three decades, and will soon be used on the Space Launch System. Is it still the Ferrari of rocket engines? A deep dive on performance, reliability and the politics of rocket science.
The last unflown space shuttle external fuel tank was loaded onto a barge at NASA's Michoud Assembly Facility Sunday in New Orleans. It will ship to the California Science Center in Los Angeles to be joined with space shuttle Endeavour.
Russian ISS controllers are in the process of swapping out a trash-filled cargo ship for a new one bearing fresh supplies, following the successful launch of a Progress spacecraft from Kazakhstan today.
Follow along with The Planetary Society as the crew of Expedition 47 launches to the International Space Station. Launch is scheduled for 5:26 p.m. EDT (21:26 UTC); docking and hatch opening starts six hours later.