Mars has hosted a surprising number of robotic visitors, yet the question of where humans should touch down remains wide open. As engineers refine maps of potential Mars landing sites, one location ...

On Mars, this period is known as the Pre-Noachian era. Mars has just formed from dust and gas in the protoplanetary disk, just like Earth did. Pieces of debris clamped into a planet with a dense core, ...

The findings potentially solve the paradox of how liquid water seems to have persisted on Mars even when the climate grew too cold.

Using images from cameras on Mars orbiters, an international research team has discovered structures on Mars that are very similar to classic river deltas on Earth. These are traces of rivers that ...