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

Mercury, Venus, Earth, and Mars – are all made of solid, rocky material, Jupiter is a gas giant with a composition similar t ...

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

If you didn't know, Jupiter has no solid ground – no surface, like the grass or dirt you tread here on Earth. Let's explain ...

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

"The findings not only provide further evidence to support the theory of a Martian ocean but also present, for the first time ...

A new analysis of Voyager 2's data from 1986 reveals that Uranus isn't anywhere near as sterile as researchers once thought.

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

Even from space, you wouldn’t detect something important about Earth’s shape: It’s not perfectly round. It’s actually a ...

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

Data from Tianwen-1 mission offers clues about coastline of short-lived sea on Martian surface around 3.5 billion years ago, ...

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