This video explains the physical, mechanical, and safety factors that limit how fast cars can travel, including engine design, aerodynamics, and road conditions.

Marina Martins with a perfect handstand on the uneven bars. Keywords: D-Score, fails, falls, sticks, spotters, ...

Winter storms threaten holiday travel with snow in the Northeast and heavy rain across California. Newsweek's live blog is closed.

For a deeper dive into the authentic Old West, take the short drive to Bannack State Park, Montana’s first territorial capital and now one of the best-preserved ghost towns in the country.