What is the Tallest Mountain on Mars
Mars has the tallest known mountain on a planet of our Solar System, with a height of 22 km (14 mi).
Why Do Sunsets On Mars Look Blue?
Fine dust in the atmosphere permits blue light to penetrate the atmosphere more efficiently than colors with longer wavelengths.
How Many People Have Applied for Mars?
More than 100,000 people have applied to take a one-way trip to Mars in order to colonize the Red Planet, the mission's organizers say.
What Does Mars Need to Be Habitable?
Scientists want to introduce global warming on Mars to make life habitable for colonization.