Mars is not as arid as it may seem. Billions of years ago, the surface of the Red Planet ... crucial to understanding what ...

The ExoMars Trace Gas Orbiter, which is a project from the European Space Agency and Russia’s Roscosmos, recently detected a gas that it never found before ... Mars we see today is mostly dry ...

Today, we know of Mars as a cold, dry desert, with patches of subterranean ice and ice caps at its poles. Billions of years ...

A 'smiley face' has been discovered on the surface of Mars and scientists say this could ... but it is the remnant of an ...

The car-sized Curiosity rover has spotted evidence of once quite hospitable environs on Mars. As shown in the imagery below, the NASA robot investigated dried-up lake beds and captured views of ...

NASA's Curiosity Rover reveals stunning new images of another world. Curiosity, a car-sized robotic rover featured in Destination: Mars, landed on the red planet in August 2012. As Curiosity makes ...

However, this first type of snow turns from a solid directly into a gas before ... s surface is dry ice. This carbon dioxide-based ice can land on the surface, and NASA says that winter on Mars ...

Why it's so special: These odd, fan-like features on the surface of Mars are geysers of gas and dust near the planet's south pole that are visible only in springtime on the Red Planet. This image ...

"I'll always remember the first time I saw those iridescent clouds and was sure at first it was some color artifact." ...

NASA is getting excited about a special rock that its Perseverance rover has just scooped up from the surface of Mars.