martian atmosphere

A new study paints a detailed picture of Mars' climate and water cycle — by mapping how its Swiss cheese-like polar deposits formed over time.

The Big Cheesy

Pay attention, future astronauts.

Scientists Figured Out Why Mars’ South Pole Looks Like Swiss Cheese

According to a new paper published by researchers at Caltech, Mars may still hold anywhere between 30 and 99 percent of its ancient water within its crust.

Drying Up

There may be a huge cache of water inside Mars.

Mars' Oceans May Have Drained Into Its Interior

A new NASA simulation shows the ghostly ultraviolet flashes of Mars's "nightglow," represented by greenish hues in the Martian night sky.

Green Planet

This strange glow in the Martian night sky is "as bright in the ultraviolet as Earth’s northern lights."

New NASA Animation Shows Mars' Creepy Greenish “Nightglow”

Scientists have identified a green glow in the atmosphere of Mars caused by oxygen atoms being released from carbon dioxide due to sunlight.

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