There might be a hidden ocean's worth of liquid water below the surface of Mars, seismic evidence suggests. According to a new paper published April 25 in the journal National Science Review, ...

Space scientists have spotted a city-sized “butterfly” on Mars. A striking new image from the European Space Agency’s (ESA) Mars Express spacecraft has revealed a 20 km-wide crater resembling the ...

For years, scientists have been intrigued by mysterious dark streaks running down the slopes of Martian cliffs and craters. These marks, called slope streaks and recurring slope lineae (RSLs), have ...

Mars is tantalizingly similar to Earth in many ways, but especially in its surface features, which often resemble Earth deserts to an eerie degree. Both Earth and Mars share features such as valleys; ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. There might be a hidden ocean's worth of liquid water below the surface of Mars, seismic evidence ...