Space

Boeing's Starliner has kept two astronauts in space for weeks longer than their scheduled stay, as the NTSB sanctioned the company for releasing sensitive information about January's door panel incident.

In two dimensions, it’s the Reuleaux triangle: an equilateral triangle with curved arcs connecting each corner, creating a shape with a constant width but a smaller area than a circle. Now, a team of mathematicians say they’ve scaled up the shape into the third dimension and beyond, finding it resolves a math problem…