The fact that the cold, dry Mars of today had flowing rivers and lakes several billion years ago has puzzled scientists for decades. Now, Harvard researchers think they have a good explanation for a warmer,

Data collected by NASA's InSight lander suggest that ancient internal processes are responsible for the "Martian dichotomy" that splits the Red Planet into two distinct halves.

Images of Mars taken from orbit show thousands of mounds in a region sculpted by water billions of years ago. A robotic mission may investigate the area one day.

In his prepared remarks, Trump, a longtime backer of U.S.-led space exploration and exploitation, singled out Mars and left the moon hanging.

The northern plains of Mars, marked by thousands of mounds and hills, hold significant evidence of the planet's watery past.

Venus, Saturn, Jupiter and Mars are all visible after sunset, but social media claims about it being a rare "planetary alignment" are not correct. Here's how to see it.

Have you looked up at the night sky this season and noticed a bright object, sporting a reddish hue, to the left of Orion? This is non other than the planet Mars.

Using syrup and baking soda, research has demonstrated the formation mechanism of rootless cones, small volcanic landforms commonly found on Earth and Mars. The study clarified, through an experimental approach,

Mars' southern hemisphere absorbs a lot of the sun's energy during the Red Planet's spring, and that may be causing Mars' dust storms, a new study suggests.

The findings are the result of the ongoing studies performed by NASA’s Curiosity rover, which has been scouring the red planet since landing in 2012. The latest breakthrough came as scientists were able to analyse ripples on Mars' surface that signified the presence of ancient lake beds.

KHAN YOUNIS, Gaza Strip (AP) — Hamas freed eight hostages on Thursday as part of the ceasefire in the Gaza Strip, but the chaotic handover of some of the captives, who were shuttled through a rowdy crowd of thousands by masked militants, drew an angry protest from Israel.

The crash of an American Airlines jet that collided with an Army helicopter was the latest to strike the sports world in the U.S. and globally.