Venus looks like Earth’s twin at first glance, yet its rotation behaves like a cosmic prank. The planet spins backward, crawls through a day that outlasts its year, and even changes its spin rate in ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. "This was a mission that changed our view of our Earth-sized neighbor, and laid the path for new ...

The mission will also study atmospheric processes such as super-rotation and the presence of trace gases, phenomena that are ...