On the eve of the 249th anniversary of American independence, NASA on Tuesday showcased a patriotic image of Old Glory as ...

The second half of the 19th century was a particularly interesting time to imagine Mars. This was a period during which the ...

"Returning the scientifically selected samples that await us on Mars, as part of a balanced portfolio, will help to ensure ...

Your blood is also red because of a mixture of iron and oxygen in a molecule called hemoglobin. So in a way, the ancient ...

The images and data being collected are already raising new questions about how the Martian surface was changing billions of ...

The new images by the Curiosity rover on Mars show "dramatic evidence" of ancient groundwater in crisscrossing low ridges, ...

Mars, the fourth planet from the sun, is a dry, rocky world. Its famous red color has earned it the nickname the Red Planet. Mars has fascinated people throughout history, and today, it is one of ...

The Red Planet Mars got its iconic colour from a combination of rusting and erosion over its 4.6-billion-year history. Mars was a once wetter place than the dry, barren world we know today.

It’s been long thought that Mars shines red due to the rusted iron minerals within the dust that covers the planet. AP. The research combined spacecraft data from the European Space Agency (ESA ...

New research suggests ancient Red Planet precipitation was a lot like Earth It's hard to figure out if Mars was “warm and wet” in its ancient past, but climate models give us clues ...