The newly identified cluster of Kuiper Belt objects lies about 4 billion miles from the Sun, offering fresh clues about how ...

Solar sails have some major advantages over traditional propulsion methods—most notably, they don't use any propellant. But, ...

Even most rocket scientists would rather avoid hard math when they don't have to do it. So when it comes to figuring out ...

CERES program updates include operational satellite instruments, algorithm advancements, machine learning applications, and ongoing missions measuring Earth’s energy budget and climate system changes.

The James Webb Space Telescope has turned up a world that looks more like a squeezed citrus fruit than a planet, a distorted ...