Neptune, for example, has an atmosphere made of hydrogen and helium (with just a tinge of methane), and it doesn’t really ...

Our ideas of the colours of the planets Neptune and Uranus have been wrong, research led by UK astronomers reveals. Images from a space mission in the 1980s showed Neptune to be a rich blue and ...

Get the facts on this planet of extremes. Orbiting the Sun at a distance of 4.5 billion kilometres - more than 30 times further out than the Earth - Neptune is a dark, icy world. Receiving just one ...

The recently launched super space telescope James Webb has returned spectacular new imagery of Neptune. The ... % of the sunlight that strikes its icy surface. It's very bright.

Measuring about 6,800 miles across, it could stretch from New York City to the tip of South America and swallow perhaps 20% of Earth's surface area. The storm appears to be confined to Neptune's ...

Alignments of five or more planets are rare—there will be two more featuring five or more planets this year, but after that ...

On Neptune far out in the solar system it’s ... boosting the sunspot number on its surface and causing more violent outbursts. This sequence of Hubble Space Telescope images chronicles the ...