The Apache helicopter has been around since the 1980s and will be around for decades to come. Here's how fast this beast can fly where it's needed.

The most precise measurement of the expansion rate ever made suggests an unknown force may be affecting the universe.

For most people who know cars, the name "Koenigsegg" needs no introduction — though sometimes a quick spell-check. If there's one thing these cars are famous for, it's being fast. Alarmingly fast, ...