If the ice caps melted at both poles completely ... In October, TheTravel.com detailed how Florida, which is flat and low-lying, would face an existential threat due to rising sea levels.

"Mars must still be geothermally active in order to keep the water beneath the ice cap liquid." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.

She said the uniformly thick, flat ice bed was already close to floating, as it sat on top of a flat seafloor surface. Minor melting could push the flat ice bed up and move it toward the land ...

The north pole of Mars is slowly sinking under the weight of an ice cap that only formed within the past few million years. And, in the process, it's telling us something about what the planet's ...