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

As dense materials near a planet's surface cool, they tend to sink into ... This process, however, is absent from Uranus and Neptune. So, scientists wondered: Why would that be?

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 ...

New observational data from the James Webb Space Telescope and simulation models have confirmed a new type of planet unlike ...

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 ...

That's because Neptune is darkened in the telescope's view ... reflects an average of 70% of the sunlight that strikes its icy surface. It's very bright. Space telescope reveals 'incredible ...

Feb. 2, 2024 — Astronomers have shown new atmospheric detail in a set of 15 exoplanets similar to Neptune. While none could support humanity, a better understanding of their behavior might help ...

Data from the James Webb Space Telescope and advanced computer models have classified a type of planet unlike any in our ...

On Mars the surface is rocky and desert-like ... Last but not least is Neptune. You'll want to pack a windbreaker for this visit. Nicknamed "the windiest planet," Neptune's strongest winds ...

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 ...