Mars atmosphere composition . According to ESA, Mars' atmosphere is composed of 95.32% carbon dioxide, 2.7% nitrogen, 1.6% argon and 0.13% oxygen.The atmospheric pressure at the surface is 6.35 ...

In a nutshell Mars’ missing atmosphere may not have escaped to space as previously thought. Instead, it likely underwent a ...

New research suggests that Mars' missing atmosphere, long a mystery for planetary scientists, could be hiding within the ...

All evidence points to Mars having had a carbon dioxide-rich atmosphere billions of years ago, but insufficient carbonates in Martian soil challenge this theory. Now, a new study using data from ...

All evidence points to Mars having had a carbon dioxide-rich atmosphere billions of years ago, but insufficient carbonates in Martian soil challenge this theory. Now, a new study using data from ...

As the sun grew hotter, so did Mars, prompting much of its atmospheric carbon dioxide to rain out and ultimately get locked ...

Mars used to have a thick, robust atmosphere, or at least that’s what scientists think they know about the history of the Red Planet. Solar wind — the outflow of particles from the Sun — is ...

MIT research suggests Mars’ missing atmosphere — which dramatically diminished 3.5 billion years ago — could be locked in the planet’s clay-covered crust. Water on Mars could have set off ...

They believe that mineral, called smectite, pulled carbon dioxide out of Mars' atmosphere sometime between the planet's late Noachian and late Hesperian period—3.7 to 2.9 billion years ago.