Rocks that stood out as light-colored dots on the reddish-orange surface of Mars now are the latest evidence that areas of ...

Earth's climate has swung between ice ages and warmer periods for millions of years, driven by subtle changes in our planet's ...

Small, pale spots on the reddish-orange landscape of Mars have turned out to be a new clue that parts of the planet may once ...

Mars’s Coloe Fossae reveals a landscape shaped by ancient ice ages, with deep valleys, cratered terrain, and frozen debris flows preserved from a time when the planet’s climate dramatically shifted.

Until recently, Mars was studied only through telescopes and some data that was recorded from early spacecraft. It was thought that Mars' polar regions were the only significant reservoirs of ice, ...

NASA has lost contact with its MAVEN spacecraft that has been orbiting Mars for more than a decade. Here's what we know.

The thermal impact of dust storms on Mars is significant, and is thought to play a similar role to that of water vapor in Earth’s atmosphere. A new study by researchers including those at the ...

Dust devils on Mars generate tiny electrical sparks. This could help explain how the Red Planet’s atmosphere and surface are ...

Communications with Mars explorers face unique challenges, including 4–24 minute signal delays and limited bandwidth that restricts data transmission. While NASA's Deep Space Network currently manages ...