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Using ESA’s XMM-Newton and the X-Ray Imaging and Spectroscopy Mission (XRISM), a JAXA-led mission with ESA and NASA participation, astronomer have observed the launch of an ultrafast outflow from NGC 3783’s supermassive black hole at 19%…

HELSINKI — Two Shenzhou-21 astronauts embarked on the mission’s first spacewalk late Monday, inspecting and photographing a damaged spacecraft window which triggered an earlier emergency launch.

Shenzhou-21 mission commander Zhang Lu…

Chinese astronauts just got an up-close look at the damage that space junk can cause.

Two astronauts of the three-person Shenzhou 21 mission conducted an extravehicular activity (EVA) outside China’s Tiangong space station on Tuesday (Dec. 9)….