When an object spins, its center of mass and angular momentum enter a tug-of-war that can lead to impossible motion. From falling tennis rackets flipping midair to spinning wheels that rise on their ...

The deal funds the government in the short term and guarantees a vote on ACA tax credits. Follow Newsweek for live updates.

Ukraine’s top military commander said Thursday he visited troops holding the front line in a key eastern city besieged by ...