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After 49 Years in Deep Space, Voyager 1 Goes Quiet on One More Front
Somewhere past the edge of our solar system, a spacecraft the size of a small car hurtles through interstellar space at more than 51,000 miles per hour. Built in an era before personal computers, assembled by hand, and launched before most people alive today were born, Voyager 1 has kept going longer than almost anyone…
NASA’s Voyager Spacecraft Discovered a ‘Wall of Fire’ at the Edge of Our Solar System
In 1977, NASA launched two spacecraft on a mission that would outlast every prediction. Voyager 1 and Voyager 2 left Earth to study the outer planets, but their journey never stopped. Decades later, Voyager 1 had traveled farther than any human-made object in history, drifting through regions of space no instrument had ever sampled. And…
Uranus May Be Filled With A Lot More Methane Than We Thought
For decades, our understanding of Uranus has been anchored by a simple and elegant classification: the “ice giant.” This distant, blue-green world, known for its extreme axial tilt that causes it to orbit the Sun on its side, was thought to be composed primarily of water, ammonia, and a trace of the methane that lends…