Neptune does not have liquid water on its surface like Earth. However, it does have water ice in its atmosphere and deep within its interior.

Here's a breakdown:

* Present: Neptune's atmosphere contains traces of water vapor, but it's too cold for liquid water to exist. The planet's surface temperature is around -214°C (-353°F), far below the freezing point of water.

* Past: Scientists believe that Neptune likely formed in the early solar system with a significant amount of water ice. As the planet migrated outward, this ice was compressed into its interior under immense pressure.

While it's impossible to definitively confirm the presence of liquid water within Neptune's interior, it's highly likely that the water ice is mixed with other materials like methane, ammonia, and possibly even a rocky core.

So, while Neptune doesn't have liquid water on its surface or in its atmosphere, it likely has water ice in its interior.