water on Mars
Red planet's hydration
Water on Mars refers to evidence that liquid water once existed—or still exists in frozen or trace amounts—on the planet Mars.
The phrase often appears in discussions of planetary science, space exploration, and the search for extraterrestrial life: Scientists confirmed water on Mars decades ago, but the question is whether it ever supported life.
Finding water on Mars matters because water is considered essential for life as we know it, making Mars a prime target for missions seeking signs of past or present organisms.
- iceWater's solid form
- frozenSolidified by extreme cold
- polarOf extreme latitudes
- capsHeadwear or upper limits
- ice capsFrozen masses covering poles
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