Scientists have considered placing Mylar disks, with a diameter of 155 miles and a weight of 200,000 tons, to reflect sunlight onto Mars and heat the surface. The idea is that over many years ...

Formations that look like jumbo-sized kidney beans (or blobs of chocolate syrup, depending on your palette) may be indicators ...

Mars has long posed a challenge to landers because its thin atmosphere is thick enough to burn up a spacecraft that isn’t ...

Ideally, pump enough heat in initially to get that CO2 into the atmosphere, and our favorite greenhouse gas might just do the rest. To get more sunlight on Mars, Handmer proposes using solar sails.

During this event, Mars's atmosphere and magnetosphere expanded, and plasma density in the ionosphere increased significantly, with electron and ion densities rising by 2.5 and 10 times, respectively.

The red planet Mars, named for the Roman god of war, has long been an omen in the night sky. And in its own way, the planet’s rusty red surface tells a story of destruction. Billions of years ...

To live on Mars, humans will need liquid water, food, shelter and an atmosphere with enough oxygen to breathe and thick ...

Venus, on the other hand, has a thick atmosphere which holds onto heat from the Sun. So, even though Mercury is closer to the Sun, Venus is the hottest planet in the solar system. Mars has a hard ...

A new study may solve a central mystery of the planet’s 4.6-billion-year history. Despite increasing evidence that water flowed on Mars billions of years ago, scientists have been mystified by ...

With exposure to intense heat, ultraviolet light ... There is no liquid water on Mars and the atmosphere is very thin. During one day, the temperature on Mars may range from 10 degrees C to ...