Our solar system's blue gas giant is far larger than Earth, at more than 17 times Earth's mass and nearly 58 times Earth's volume, according to NASA.Neptune's rocky core is surrounded by a slushy ...

Neptune is called an “ice giant” because it’s mostly made of a thick, slushy mix of water, methane, and ammonia, which ...

Neptune, at some 3 billion miles from the sun, is a dark, blustery world, ... When these particles strike gases, they heat up and glow. The results are colorful light displays.

As with the gas giants, Neptune’s outer shell is primarily made up of hydrogen and helium. Deeper within, the mantle and core are no longer gassy but instead rich with compressed exotic ices.

The claim: Earth, Jupiter, Mars, Neptune and Pluto have all warmed during the last hundred years. Greenhouse gas emissions released by human activities are causing Earth's average temperature to ...

That’s because Neptune has a wonky magnetic field that is tilted by 47 degrees from the planet’s spin axis. The new Webb observations also reveal why Neptune’s auroras have been invisible ...