Volcanic ash is creeping across the surface of Mars with startling speed. The European Space Agency’s (ESA’s) Mars Express ...

Ancient ripple layers on Mars capture a single sandstorm, helping scientists estimate how dense the planet’s atmosphere once ...

Observations by the Mars Express orbiter reveal rapid changes on the Red Planet’s surface from windblown volcanic ash ...

Like Earth and the solar system's other planets, Mars formed roughly 4.5 billion years ago. Early in its history, Mars was ...

Noticeable change on Mars often takes millions of years—but the European Space Agency's Mars Express has captured a blanket ...

What are the most ideal landing sites on Mars for the first human missions that can provide maximum survivability while also exhibiting the potential for finding life beyond Earth? This is what a ...

Mars, with its rust-hued surface, is known as the red planet for a reason. Along the way, Curiosity has made some extraordinary finds and captured some stunning vistas. The latest came in November ...

Seismic data collected by NASA suggests the amount of water hidden in the red planet's crust would cover its surface in a global ocean. Evidence is mounting that a secret lies beneath the dusty red ...

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, ...

Add Yahoo as a preferred source to see more of our stories on Google. A chunk of the Martian surface that made an unlikely interplanetary voyage to Earth will soon be available to the highest bidder.