Like much of Mars, the butterscotch plain is inhospitable ... seem more than just a possibility. The evidence for ice looks real, and it looks recent. Jack Mustard of Brown University has mapped ...

Radar scans reveal up to 2.2 miles of subsurface ice beneath Mars’s Medusae Fossae, per Geophysical Research Letters. The formation was long thought to be loose ash or dust—but its low density ...

Now, fresh images from ESA’s Mars Express and the ExoMars Trace ... they might see this spectacular natural show in real time—ice cracking open, dark dust erupting into the air, and the ...