Despite having maps of Mars more accurate than many of Earth's own maps, the Red Planet still holds many unanswered questions ...

What if we could turn Mars into a second Earth? A group of scientists is revisiting this audacious idea with new eyes, armed ...

Mars' core formed within just a few million years, scientists say compared to the hundreds of millions or even billions of ...

SpaceX shared a video in which founder Elon Musk gave a timeline for the company's Starship to reach Mars in the years ahead.

Scientists have long surmised that rusty iron oxide is what made Mars red: Thanks to the fleet of spacecraft that have studied Mars over the past few decades, scientists knew that the red color is ...

An illustration of Mars as a dry and arid world ... determined that a mid-crust made up of fractured, water-saturated igneous rock best explains data collected by NASA’s now-retired Interior ...

Sterilizing robotic spacecraft to prevent contamination is one thing, but sterilizing human beings is impossible. We are ...

which is made of varying layers of material, may be held in place by those layers. High-resolution images of the Mars polar ice caps reveal complex layered structures. These caps are about 2-3 km ...

Mars was likely a warmer ... as well as the depth and composition of the core and atmosphere. The lander’s seismometer detected the first quakes on another planet, dubbed marsquakes.

Mars leaves Leo and retrogrades back to Cancer on Jan. 6, a transit that celebrity astrologer Kyle Thomas tells PEOPLE can be "difficult" for many at this time Skyler Caruso is a Writer and ...

Curiosity made the isotope measurements by heating the ... Astrobiologists believe caves like this one on Mars could potentially harbor life. Credit: NASA / JPL / Univ. of Arizona "The fact ...