Mariner 4, built by JPL in Pasadena, took the images on July 14, 1965. One of the mission's leaders reflects on decades of ...

Sixty years ago today, NASA’s Mariner 4 spacecraft took the first up-close images of Mars, changing humanity's understanding ...

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

People from cultures across the world have been looking at Mars since ancient times. Because it appears reddish, it has often been called the red planet.

Mars isn’t a bright, fire-engine red, but the iron oxide in its rocks makes it appear redder than other planets, especially from afar.

In 1892, Flammarion published " The Planet Mars," which remains to this day a definitive history of Mars observation up through the 19th century.

Despite having maps of Mars more accurate than many of Earth's own maps, the Red Planet still holds many unanswered questions that continue to intrigue scientists and space enthusiasts alike ...

Entertainment Space Movies & Shows 25 years ago, 'Mission to Mars' and 'Red Planet' had a bad Martian movie showdown. Was there a winner?

Did it snow on Mars? 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 ...

A NASA Mars orbiter recently spotted the Curiosity rover driving across the Red Planet's surface, capturing an unprecedented off-Earth action shot.

NASA's Curiosity rover found carbon-rich minerals on Mars, revealing the Red Planet may have once had the right conditions to support life.