"The structures that we were able to identify in the images are clearly the mouth of a river into an ocean." The post ...

Mars may have been a "blue planet" with an ocean the size of today's Arctic Ocean, a new study suggests.

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

Mars has a clear structure in its mantel, and its crust includes distinct reservoirs, scientists have said. Those are the findings from meteorites that originated 1.3 billion years ago on the red ...

The red planet was half blue, according to space scientists. A research team using images from cameras on Mars-orbiting ...

Boffins from the University of Bern used high-resolution images captured from camera orbiting Mars showed geomorphological ...

Scientists have traced ancient Martian shorelines inside a giant canyon, revealing where a vast ocean once stood and why ...

Mars is known for its barren desert landscape and dry climate. But two recent studies in the journals Nature and Science go beneath the surface,... The core of Mars looks like Earth’s. What makes the ...