New research from the U of A found strong evidence in Mars' geology of a former ocean in the planet's northern hemisphere.

The Martian surface presents a complex record of geological processes that have spanned billions of years. The planet’s topography reveals evidence of volcanic activity, impact cratering, fluvial ...

A stunning new video, made from Mars Express orbiter data, allows you to soar over a gigantic maze on the Red Planet in ...

NASA recently announced that its Perseverance Mars rover discovered rock material containing potential biosignatures, with NASA Administrator Sean Duffy characterizing the finding as “the closest we ...

Over recent decades, Mars has emerged as a natural laboratory for studying planetary evolution, geomorphology and the interplay between geology and hydrology. In‐situ observations and advanced remote ...

Unusual rocks discovered on Mars contain the most tantalising evidence yet of potential past life on the Red Planet. The ...

A planetary scientist walks through the sensors and systems that went into the recent detection of potential biosignatures.

"That would be a really cool discovery by itself," University of Iowa planetary geologist Valerie Payre said. "That would ...

Crumpler, Larry S., Squyres, Steven W., Arvidson, Raymond E., Bell, James F., III, Blaney, Diana L., Cabrol, Nathalie A., Christensen, Philip R., DesMarais, D. J ...

NASA plans to send humans on a scientific round trip to Mars potentially as early as 2035. The trip will take about six to seven months each way and will cover up to 250 million miles (402 million ...

Edgar once designed science experiments for astronauts to perform. Now she'll be the astronaut performing them.