Whipping his racquet through the air like a cesta in jai alai, Rafael Nadal produces such tremendous topspin that the ball sometimes seems to catapult off the court, creating a shot as challenging to ...

A giant rotating filament of the cosmic web may be the largest spinning structure ever seen, and could help reveal how galaxies form.

A newly identified string of galaxies, stretched across tens of millions of light years and slowly turning in space, is forcing astronomers to rethink how structure and motion emerge on the grandest ...