03 August 2020
Mars was cold and icy, not warm and wet, new study says
...highlands”, Galofre and colleagues analysed the morphology of valleys on Mars to determine the different ways in which they could have ... support for the presence of ice sheets on early Mars,” say the team in their research paper published by...
02 November 2020
Rare meteorite reveals evidence of water on Mars 4.4 billion years ago
... making the early habitability of the planet possible, add the team in their paper. If water was available on Mars earlier than thought, it suggests it could be a natural byproduct of some process early on in planet formation, rather than delivered...
15 December 2021
ExoMars discovers large amounts of hidden water in Mars’ Grand Canyon
... for it to remain to be stable – instead it usually evaporates. However other observations suggest that minerals seen in this part of Mars typically contain only a few percent water, much less than is evidenced by these new observations, says Alexey...
23 April 2021
Mars rover instrument, MOXIE, extracts first oxygen from Red Planet
...’t just the stuff we breathe. Rocket propellant depends on oxygen, and future explorers will depend on producing propellant on Mars to make the trip home.” For rockets or astronauts, oxygen is key, said MOXIE’s principal investigator, Michael Hecht...
15 August 2016
Was early Mars warmed by cirrus cloud cover?
...clouds, higher atmospheric CO2 pressures, and smaller particle sizes, the efficiency of the models decreased. For Mars to be warmed by cirrus clouds, a limiting set of factors including an atmosphere of 0.5 bar and 1 km thick cirrus clouds are needed...
23 November 2016
Massive ice deposits found under the surface of Mars
... Reconnaissance Orbiter have determined that water ice, which makes up half or more of an underground layer in a large region of Mars, holds about as much water as what's in Lake Superior, largest of the Great Lakes in North America. The scalloped...
