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 ...

Even though the Red Planet's atmosphere is thin, wind is still one of Mars' most relentless sculptors.

Mars today is a frozen, dusty desert. But if you look deep inside Valles Marineris, the largest canyon system on Mars and in ...

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 ...

Using images from cameras on Mars orbiters, an international research team has discovered structures on Mars that are very ...

A high-resolution morphometric analysis of the southeastern region of Coprates Chasma, part of the extensive canyon system of ...

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 ...

Mars is about half Earth’s size and roughly a tenth its mass — not really the sort of planet you’d expect to leave ...

Lauren Edgar has spent nearly two decades at NASA studying the moon and Mars, guiding rover missions and helping design lunar science for the Artemis program. Now, she's trading her role behind the ...

For anyone curious about what it's like to stand on another planet, Earth offers a few convincing previews. Mars may be 140 ...