Scientists are raising alarms as they study the intriguing connection between Mars and Earth's climate. Recent findings ...

One of Mars' greatest questions was answered, all thanks to Einstein's works that were published over 100 years ago.

Add Yahoo as a preferred source to see more of our stories on Google. An artist's illustration of what a terraformed Martian landscape might look like. Mark Stevenson/Stocktrek Images via Getty Images ...

Making Mars Earthlike is not impossible in principle, but the scale of mass, heat, oxygen, and energy required makes it far beyond current capability.

Despite its dry, dusty surface and thinner atmosphere, Mars may have more in common with Earth than scientists previously thought. In a new study, researchers at the University of Rochester—including ...

A new study by researchers including those at the University of Tokyo revealed that atmospheric gravity waves play a crucial role in driving latitudinal air currents on Mars, particularly at high ...

Researchers have looked at how particular microbes from Earth would fare in conditions like those of Mars, the moon, and the ...

The rusty world is full of mysteries—and some of the solar system's most extreme geology. Learn more about Earth's smaller, colder neighbor.

Over more than a decade at Mars, the orbiter revealed how the solar wind strips away the planet’s atmosphere — and why the ...

The relatively well-preserved ancient crust of Mars provides a natural window into early planetary evolution not available on Earth due to sustained tectonic recycling and erosion on this planet. Mars ...

From the most powerful telescope orbiting Mars comes a new view of Earth and its moon, showing continent-size detail on the planet and the relative size of the moon ...