That would make it thousands of times more massive than any moon orbiting a solar system plane  — so massive it could make ...

When my colleagues and I send them out to explore our solar system, it's important for us to understand the 3D map of our ...

Despite decades of warnings, governments and private companies have continued launching missions with little plan for what ...

As we prepare for missions beyond Earth orbit, one crucial challenge remains: keeping astronauts healthy in microgravity.

Earth and its neighbors orbit the sun on a relatively flat plane. But what's below this plane, and is anythign below the ...

One solar storm could trigger a catastrophic collision in orbit ...

Scientists who work on long-term climate patterns usually stay close to Earth. The data is here, the records are clearer, and ...

Optical proof of a tiny companion orbiting supergiant star Betelgeuse is hard to come by. Hubble just spotted new evidence.

ESA exercise machine called European Enhanced Exploration Exercise Device (E4D) helps astronauts stay healthy during space ...

According to the creators of the benchmarking tool, NASA is currently in the approval process for using the software.

Starlink's new FCC approval for 7,500 more satellites aims to boost service and capacity for millions. But at what cost?

As they fly around the moon, the four astronauts of NASA's Artemis II will see views never seen by the human eye. Here's how.