Billions of years ago, water flowed across Mars. Most scientists agree the red planet had rivers. But did those rivers flow into an ocean? New research from the University of Arkansas found strong ...

Mars imagery tends to short-circuit the human mind, making objects such as rocks, hills, or ridges appear as open books, a ...

Add Yahoo as a preferred source to see more of our stories on Google. Two NASA rovers on Mars recently made two independent discoveries further indicating that ancient life may have once existed on ...

Despite lacking moving plates, the Red planet's magmatic systems may have run for thousands of kilometers.

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 ...

Visit ancient Mars—a surprisingly temperate planet where snow or rain falls from the sky, and rivers rush down valleys to feed hundreds of lakes. Water is ubiquitous on Earth—about 70% of Earth's ...

Add Yahoo as a preferred source to see more of our stories on Google. A new discovery of garnet inside the Martian meteorite NWA 8171 is revealing unexpected details about the red planet’s ancient ...

The Viking project became my introduction to how spacecraft data are crucial for scientists to understand the geologic ...

Mars occupies a unique position in planetary science as the most accessible natural laboratory for investigating the origin and evolution of terrestrial planets and the potential for life beyond Earth ...