Phobos is gradually spiraling toward Mars, drawing about 6 feet (1.8 ... The Soviet Union also launched numerous Red Planet spacecraft in the 1960s and early 1970s, but most of those missions ...

given how much clay is estimated to cover Mars' surface, the planet's clay could hold up to 1.7 bar of carbon dioxide, which would be equivalent to around 80% of the planet's initial, early ...

A new study shows Mars’ early thick atmosphere could ... smectite forms through tectonic activity, drawing down CO2 from the atmosphere and cooling the planet over time. But Mars, unlike Earth ...

So night after night, astronomers would stare at the hazy sphere and draw its ... our view of Mars changed. Early on, photography dispelled the imaginings of Lowell and revealed a planet with ...

The first thing most people think of when they consider Mars is its deep ... exists on our planet, often in volcanic settings such as lava caves. Using state-of-the-art equipment, as well as ...

Two NASA rovers on Mars recently made two independent discoveries further indicating that ancient life may have once existed on the Red Planet ... which is still early into its journey exploring ...

Drawing on data from ... on a mystery going back to the early years of modern astronomy, known as the Mars dichotomy. This is the contrast between the planet’s southern hemisphere, which is ...