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

For centuries, Mars has captivated the human imagination. Its reddish appearance has earned it the nickname “The Red Planet,” but is it really as red as we’ve been led to believe? While Mars certainly ...

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

In a new study published in the journal Nature Astronomy, scientists say mineral-rich layers of clay on Mars were once ideal ...

Mars continues to attract scientists in 2025 with its Earth-like time, mysterious moons, changing distance, and space ...

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 ...

Graphic showing how Mars turned from a grey, wet planet into a dusty red planet. From left to right, four steps are illustrated in a single image. First, iron in the planet’s rocks react with oxygen ...

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 54 pound chunk from Mars was found in the Sahara Desert in 2023 and could set a record when it appears at auction this ...

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

Right now, we need to continue to study Mars. Lanza advocates for the Mars Sample Return mission, a NASA-European Space Agency campaign to bring home material collected on the Red Planet by the ...