Why does Jupiter look like it has a surface – even though it doesn’t have one? – Sejal, age 7, Bangalore, India ...

Why haven’t humans colonized other planets yet?  While we dream of expanding across the solar system, there are hidden and complex barriers in our way. This video dives into the scientific, technical ...

In a clean room at NASA's Jet Propulsion Laboratory in Southern California, scientists have successfully integrated a crucial ...

The planet Jupiter has no solid ground – no surface, like the grass or dirt you tread here on Earth. There’s nothing to walk on, and no place to land a spaceship. But how can that be? If Jupiter doesn ...

"Something strange is happening on the outskirts of our Solar System. It could be a large ...

After a decade-long search, some scientists say a growing number of clues point to the existence of a hidden planet in the Kuiper Belt beyond Neptune — and they may soon have the opportunity to find ...