Science·Yesterday
NASA confirms evidence of liquid water on Mars
NASA announced the Perseverance rover detected signs of liquid water beneath Mars' southern ice cap.
The discovery was made using ground-penetrating radar data collected over 18 months.
Scientists estimate the water reservoir extends 10-15 kilometers below the surface.
Why it matters
Liquid water is considered essential for potential microbial life and future human exploration of Mars.
Background
This is the first confirmation of liquid water on Mars using direct measurements rather than remote sensing.
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