Seems the impact has ejected some water-ice where they weren't expecting to find it. BBC article here.
Oolite Naval Attaché
If there are right about it, then future colonist will have a slightly easier time on the planet.
That's what I was thinking - and NASA too, no doubt. If water-ice is abundantly available beneath the surface, which seems likely as that impactor surely couldn't have just struck lucky, that is an important factor for any planned future colonisation.
Oolite Naval Attaché
NASA did also confirm water still flows on Mars back in 2015.
https://www.nasa.gov/press-release/nasa-confirms-evidence-that-liquid-water-flows-on-today-s-mars