
Articles by Stephen Clark





China’s Tianzhou 1 cargo carrier docks with space lab in orbit
Less than two days after launching from southern China, the Tianzhou 1 supply ship glided to an automated linkup with the Chinese Tiangong 2 space laboratory around 240 miles above Earth on Saturday, ready for several months of technical demonstrations to prepare for assembly of a space station in the next few years.



Live coverage: Yurchikhin, Fischer reach space station after fast-track rendezvous
Russian cosmonaut Fyodor Yurchikhin, on his fifth trip into space, and rookie NASA astronaut Jack Fischer, a Colorado native, blasted off aboard a Soyuz booster at 0713 GMT (3:13 a.m. EDT) Thursday from the Baikonur Cosmodrome in Kazakhstan, heading for the International Space Station for a four-and-a-half month expedition. The duo docked with the orbiting outpost at 1318 GMT (9:18 a.m. EDT).

With an eye on growing cost, NASA aims for 2025 launch of next ‘great observatory’
NASA managers say the WFIRST mission, the next in the agency’s line of powerful observatories after the Hubble and James Webb telescopes, could cost around $3.2 billion after budgeting for a novel first-of-its-kind instrument to probe the make-up of planets around nearby stars and a bigger-than-expected launch vehicle.

ULA chief says Blue Origin in driver’s seat for Vulcan engine deal
A full-scale BE-4 engine developed by Blue Origin, the space company founded by Amazon.com’s Jeff Bezos, is installed on a test stand in West Texas for a series of hotfire tests that United Launch Alliance will closely examine before settling on the reusable methane-fueled engine for its new-generation Vulcan rocket.