The resulting temperature difference is thought to contribute to Neptune's formidable weather - winds on the planet can reach almost 2,200 kilometres per hour, the fastest in our solar system. In ...

One of the most common types of exoplanets falls in a size range between Earth and Neptune. Astronomers have debated whether these planets are Earth-like rocky planets with thick hydrogen-rich ...

In our solar system, Uranus reigns coldest, followed by Neptune ... keep it relatively cold Earth has average temperature of 15°C (59°F). While it might seem warm compared to the outer planets ...

A planet’s opposition occurs when Earth passes between it and ... Do that and you will eventually stumble upon Neptune, though it will be rather faint compared to the stars around it.

An object we thought belonged to the most common category of planet in the galaxy has turned out to be something we've never seen before.