NASA has ostensibly used the metric system since about 1990, the statement said, but English units are still employed on some missions, and a few projects use both.

If NASA chooses to push forward with the Agency’s use of the metric system, near-term costs may increase and short-term risk (both to schedule and mission success) may rise to some degree.

NASA specified metric units in the contract. NASA and other organizations worked in metric units, but one subcontractor, Lockheed Martin, provided thruster performance data to the team in pound ...

Walter Block argues that “Canadians Hate the Metric System” imposed on them in 1975 (op-ed, Sept. 16). ... Literary icon Tom Wolfe reminded readers that NASA had gone to the moon on inches.

The United States, Liberia and Myanmar are the only countries in the world that do not officially use the metric system for weights and measurements. On the brink of Thursday’s Brexit vote ...

NASA has chosen a Blue Origin-led team to develop a second lunar landing system for the ... Another version of the lander is also being designed to take as much as 30 metric tons of cargo mass ...