Humans have achieved groundbreaking feats in space exploration, reaching distant stretches of space with missions like Voyager 1. However, none of this would have been possible without rockets.

Rocket technology predates space exploration by almost a thousand years, and although today's computerized multi-ton launch vehicles are a lot more capable than 11th-century gunpowder-assisted arrows, ...

The Earth is much larger than most people realize. You need to use engines if you want to efficiently navigate large sections ...