A sharp-eyed Chinese Earth-imaging satellite rode a Long March 4B booster into orbit Tuesday, tying the record for the highest number of space launches China has achieved in a single year.

Eight months after last hearing from the Opportunity rover, NASA officials announced the end of the craft’s 15-year mission Wednesday, closing out an ambitious chapter of Mars exploration that proved the Red Planet once harbored running water and demonstrated the promise of mobile robotic scouts to survey other worlds.

Structural failure of the nozzle at the base of a rocket engine powering an unpiloted New Shepard spacecraft toward the edge of space last September triggered a dramatic-but-safe in-flight abort, builder Blue Origin announced Friday, saying the company has identified fixes and plans to resume sub-orbital flights “soon.”