The Invisible Parking Spots of Space

Imagine trying to park a spacecraft in space. Not for a few hours. Not for a few days. But for years, or even decades. At first glance, this sounds impossible. Spacecraft orbit planets, circle stars, and constantly move through the cosmos. Everything in space seems to be in motion. Yet hidden among the gravitational forces … Read more

Gravity Assist and the Clever Trick Spacecraft Use to Travel Faster

Sending spacecraft across the solar system is far more challenging than launching them into orbit. Distances between planets are enormous. Traveling from Earth to distant worlds like Jupiter, Saturn, or Neptune requires incredible amounts of energy and fuel. If a spacecraft had to rely only on its own engines, many missions would become impossibly expensive … Read more

Voyager 1: The Spacecraft That Left Our Solar System — And Is Still Talking to Us

In 1977, humanity launched a spacecraft with a mission expected to last just a few years. No one imagined that nearly half a century later, it would still be alive—quietly whispering data back to Earth from a place no human-made object had ever reached before. That spacecraft is Voyager 1. Today, Voyager 1 is the … Read more