Ceres, with its heavily cratered and dimpled surface, appeared to be a dry, rocky body. Previous observations suggested that ...

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

A new study posits that our planet's gravity will cause seismic activity on Apophis when it makes its close approach in 2029.

If we're finding spaceship debris on another planet then it's because we put it there, and what the NASA helicopter found was ...

In the time Pluto was found, classified as a planet and reclassified as a dwarf planet, it has not completed one orbit. One ...

Today, we know of more than 5,000 exoplanets: planets outside our solar system that orbit other stars. While the effort to ...

Even from space, you wouldn’t detect something important about Earth’s shape: It’s not perfectly round. It’s actually a slightly oblate spheroid, or an ellipsoid. This means it is a little bit wider ...

Now, after examining the geomorphological features and surface composition of Utopia Planitia sent back by Zhurong, ...

This means that scientists believed in nearly four decades that the planet Uranus and its five largest moons were dead worlds ...

Here’s how it works. Mars' magnetic field may have survived 200 million years longer than scientists had thought — crucially, ...

Scientists have developed a new method to compute how tides affect the interiors of planets and moons. Importantly, the new ...

Why does Jupiter look like it has a surface – even though it doesn’t have one? – Sejal, age 7, Bangalore, India The planet Jupiter has no solid ground – no surface, like the grass or dirt ...