Q&A with Mark Sirangelo, leader of Sierra Nevada Space Systems

A prototype of Sierra Nevada’s Dream Chaser space plane is nearing shipment to California’s Mojave Desert to resume runway landing tests as officials wait for word from NASA whether the company will win a competition to ferry cargo to the International Space Station.

NASA and SpaceX hold the post-launch and -landing press conference from Kennedy Space Center on April 8 after the successful flight of the Falcon 9 rocket

Russian mission control said Thursday an unpiloted Progress space station supply ship carrying nearly 5,400 pounds of rocket fuel, food, water and a new spacesuit burned up in Earth’s atmosphere shortly after it blasted off from Kazakhstan, and evidence points to a problem with the third stage of the cargo carrier’s Soyuz booster.