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 ...

Compare Mars and Earth in size, atmosphere, gravity, and potential for life. Discover their differences and shared traits. Explore the mysteries of the Red Planet!

Sotheby's is putting some rare items up for auction, including what it calls the largest piece of Mars ever found on Earth.

New discoveries by NASA's Curiosity Mars rover may not only explain why the Red Planet is a dry, lifeless desert, but that it ...

NASA's Mars Sample Return mission has long been a point of contention for the agency, but now someone might have a plan to ...

Earth is probably stabilizing to life-friendly conditions, but Mars is different. This is indicated by simulations and ...

Alyssa Carson, a 24-year-old from Louisiana, aims to be the first human on Mars. Known as "NASA Blueberry," she has dedicated ...

The Mars rover captured images of low ridges called boxwork patterns, which appear like spiderwebs from space.

The concept of terraforming Mars — transforming the planet's climate to support life as we know it — has long belonged to the realm of science fiction. But a new study argues that it's time to ...

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 ...