
Reusability


Replacements for GRACE gravity and climate satellites ready for launch
A pair of European-built, NASA-backed research satellites set for launch Tuesday from California will extend 15 years of global gravity field measurements collected by the GRACE mission before it ended last year, supplying scientists with data to help track the melting of Earth’s ice sheets and chart the impacts of floods and droughts.






Live coverage: SpaceX supply ship departs station, returns to Earth
A SpaceX Dragon capsule is wrapping up a month-long mission Saturday. The spaceship departed the International Space Station at 9:23 a.m. EDT (1323 GMT), and splashed down in the Pacific Ocean at approximately 3 p.m. EDT (1900 GMT) with nearly two tons of experiment specimens and hardware, including a habitat of mice and Robonaut 2, an experimental humanoid robot in need of repairs.


Suborbital test flight moves Blue Origin closer to launching people
The privately-developed New Shepard booster, designed and built by Amazon billionaire Jeff Bezos’s space company Blue Origin, took off from a launch pad in West Texas, briefly flew into space with an instrumented capsule, and returned to a rocket-assisted landing Sunday in another test before humans climb aboard the suborbital spaceship.