NASA's Mars Reconnaissance Orbiter spacecraft has just taken its milestone 100,000th photo of the Red Planet using its ...

Mars once looked far more like Earth, with a thicker atmosphere and liquid water pooling on its surface, yet today it is a frozen desert where even a thin wisp of air struggles to hold on. NASA’s ...

For centuries – maybe millennia – humans have wondered how Mars gets its red hue, but a recent study has some answers.

On average, Martian time ticks roughly 477 millionths of a second faster than terrestrial clocks per Earth day. But the Red ...

Mars is a fascinating planet in our solar system. Over the years, space organizations have done a great deal of work to further explore Mars, including projects to get crews to the red planet. Mars ...

When it comes to the question of which planet humanity could one day call home, the obvious choice might seem to be Mars. But surprisingly, Venus might actually be a better candidate for human ...

NASA’s Curiosity rover will go dark for a few weeks due to a conjunction between Earth and Mars, blocking communication ...

Mars changed from a blue world with water to a red desert because its atmosphere escaped into space over billions of years.

It's clear that Mars once gushed with water. Today, aerial views of the Red Planet's Jezero crater (shown below) reveal that water once poured into this basin, leaving behind telltale signs of rivers, ...

Illustration of the planet Mars covered in water in the past, when its atmosphere was thicker and warmer. Now scientists may have found an unground reservoir. Is there water on Mars? Scientists using ...

Mars has long served as inspiration to many a science fiction writer in search of a home planet for their imagined extraterrestrials. But could the terrestrial red planet ever have actually been home ...

A primitive ocean on Mars held more water than Earth’s Arctic Ocean, and covered a greater portion of the planet’s surface than the Atlantic Ocean does on Earth, according to new results published ...