But planets around red dwarfs are also likely to be “tidally locked”—always presenting one side to the star, in the same way our moon shows only one face to the Earth. This would render half ...

But when Feb. 14 rolls around, lovers trade letters or cards and give gifts, much like they do in the U.S. If you’ve had enough of heart-shaped trinkets on Valentine’s Day, get inspired by ...

The European Union’s so-called Trump task force spent 2024 preparing for a possible trade dispute. Specifics are secret, but guiding principles are becoming clear. By Jeanna Smialek The army ...