We might have been very wrong about exactly what lurks below the tranquil blue and green surfaces of Uranus and Neptune. Previous theories have suggested a range of hidden properties of the two ...

What happens when a planet contains immense quantities of water but is far too hot for that water to remain liquid?

Neptune is the outermost planet in our solar system, just before Pluto, which used to be a planet, but is now considered a dwarf planet. Neptune is a gassy planet, just like Jupiter, but it’s smaller ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Neptune has always been known as an icy blue behemoth. The eighth ...

A newly discovered distant mini-Neptune planet may possess its own atmosphere, ocean, or a combination of the two, even if they don't last for long. The extrasolar planet, or exoplanet, designated ...

It's been decades since a spacecraft visited either Uranus or Neptune — which means scientists are busy dreaming up instruments that could be flown out on the next probe to these ice giants. The pair ...

The natural-color view of Neptune (to left), common to naked eyetelescopic views by amateur astronomers, reveals a cyan colored planet.Methane gas in Neptune's atmosphere absorbs most of the red ...

Find out what happens if you fall into the deep, stormy atmosphere of Neptune. Volcano erupts for first time in 12,000 years: ...

An extreme hotspot near the planet's south pole has also appeared. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Astronomers have discovered a ...

It's been one Neptunian year—or about 165 Earth years—since astronomers first observed the most distant planet from the sun.

So far we've spotted more than 4,000 planets orbiting stars other than our Sun, but we know very little about their atmospheres. Now, NASA astronomers have managed to probe the atmosphere of GJ 3470 b ...