We asked a pilot to explain how high planes fly and why they need to maintain cruising altitude. Here's what he had to say.

How Do Airplanes Fly? Everything you've ever wanted to know about how your airplane stays in the air.

How Fast Do Commercial Planes Fly? Commercial airplanes are non-military aircraft suited to carry passengers and/or freight between airports.

Let's break down the physics of how planes fly, starting with how a wing works. Fasten your seatbelt, and prepare to learn all about lift.

How High Do Planes Fly? Here’s a breakdown of the altitudes that many popular aircraft, from commercial airliners to military jets, and even helicopters fly.

Commercial planes fill the skies carrying passengers and cargo. How fast do they typically fly, and what are the maximum speeds of various aircraft?

Airplane flight is one of the most significant technological achievements of the 20th century. The invention of the airplane allows people to travel from one side of the planet to the other in less ...

We all spend a lot of time on airplanes. Some of us love it; others endure it. We polled executives from across home furnishings about how they while away the hours at 30,000 feet. Here’s what they ...

How high do planes fly? It depends on if they’re going east or west. Factors like temperature, weight, and even the direction of travel figure into an aircraft's altitude. Here's what's up. Rob ...