[pvarangot]

That's because (newsflash) there's water on Mars!

Question is when will someone invest in a mission for something that actually does something with it that is not measuring its existence with remote sensors.

[bamboozled]

I think the parent is alluding to the fact that this topic keeps being presented to us as news.

[slingnow]

There's water here on Earth, too. But we don't keep "discovering" it.