Those Underground 'Lakes' on Mars Just Keep Getting More Mysterious

Study looks more closely at Mars' underground water signals. A new paper finds more radar signals suggesting the presence of subsurface 'lakes," but many are in areas too cold for water to remain liquid.

China wants to up the ante on the space race with a 'sky ladder' to Mars that can beam humans and cargo up in a capsule

Mars colonists are going to wish they had an atmosphere above them. Colonists on Mars will have to be on a constant lookout above their heads.