Science, Maths & Technology
Haven't we been told there's water on Mars before?
...researchers have detected hydrated salts rather than salty water itself. But the results, published in Nature Geoscience, are an important step to finding actual, liquid water. So how close are we? Let’s take a look at what we know so far and where the new findings fit in. Ice versus liquid water Back in the 18th century, William Herschel suggested that Mars’s polar...