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 ...

Water becomes a supercritical fluid, converting from a gas to a liquid, at this extremely high pressure, which is more than 60,000 times that of the Earth’s surface. Why are Neptune and Uranus ...

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 ...

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 ...

Scientists from the Carnegie Institution for Science, in partnership with observatories around the world, have discovered ...