In Earth’s upper atmosphere, a fast-moving band of air called the jet stream blows with winds of more than 275 miles (442 km) per hour, but they are not the strongest in our solar system. The ...

Skywatchers are in for a celestial treat as six planets—Venus, Mars, Jupiter, Saturn, Uranus, and Neptune—align in a rare ...

Despite the name, a planetary alignment isn’t when the planets get in a row, it’s when a fair few gather on one side of the ...