This week, stargazers will be rewarded with a special treat: a chance to glimpse all seven other planets, which will align in the night sky at the same time. While Venus, Mars, Jupiter, Saturn, Uranus ...

Why do some Disney cast members wear plaid vests? The experts explain what the plaid vests mean—and why you might want to ...

By the metric of length, most of the bridges that have ranked among the biggest ever built are located in Asia and were ...