Why exactly was NASA searching for water on Mars?

Question

Was it out of curiosity or did they have specific objectives?

Answer 1

To find out if there is life and maybe for future plans of humans going there.

Answer 2

if theres water there might be life

do you not need water to continue to live?

Answer 3

They found frozen water on Mars.

Check it out.

They are investigating the surface mineralogy of Mars in order to provide clues to its geologic history including when and where the water was present

Answer 4

Water H2O is a good indication that there might be life

Answer 5

Well, probably to see if we weren't the only living things in our Solar System...