Long before Mars turned into the frozen desert you see today, water shaped its surface in dramatic ways. Rivers cut through highlands, lakes pooled inside craters, and floods tore open canyon walls.

For the first time, scientists have mapped vast, continent-scale river drainage systems on Mars — ancient networks that may also be among the most promising places to search for signs of past life.

Billions of years ago, it rained on Mars. The water collected in valleys and rivers, filled and spilled over the rims of craters, and was funneled into canyons, perhaps even making its way to a large ...

Scientists believe they found fresh proof of an ancient ocean on Mars in the form of a “bathtub ring” it left after it dried up billions of years ago.

This radar map shows the thickness of the south polar layered deposits of Mars (purple represents the thinnest areas and red the thickest). The dark circle is the area poleward of 87 degrees south ...

GREEN BAY, Wis. (WBAY) - In this segment, Brad talks about several recent updates in the world of space exploration. Artemis II’s rocket has completed its move to Launch Pad 39B, and the planned April ...