Martian atmosphere
Early Life on Mars Might Have Wiped Out Life on Mars
Life might have wiped itself out on early Mars. That's not as absurd as it sounds; that's sort of what…
Perseverance Seen From Space by ESA’s ExoMars Orbiter
The ESA's Trace Gas Orbiter (part of the ExoMars 2020 mission) has revealed images of the Perseverance rover and where…
There’s Evidence That Mars Once Had an Atmosphere With Less Oxygen. A Possible Biosignature For Life?
Remote sensing is only useful if scientists have an idea of what they are looking at. That knowledge is especially…
Mars Doesn’t Have Much of a Magnetosphere, But Here’s a Map
Even though Earthling scientists are studying Mars intently, it's still a mysterious place. One of the striking things about Mars…
InSight has been Sensing Dust Devils Sweep Past its Landing Site
The InSight lander has been on the surface of Mars for about a year, and a half dozen papers were…
Molecular Oxygen on Mars is Behaving Unusually Through the Seasons. A Sign of Life?
An atmospheric drama has been playing out on Mars lately. Up until now, the main actor has been methane, and…
Nothing Says Springtime on Mars Like Explosions of Sand
Springtime on Earth can be a riotous affair, as plants come back to life and creatures large and small get…
Mars’ North Pole is Doing the Dust Storms Thing Again
It's easy to take for granted the detailed, almost real-time knowledge of Mars that we have at our fingertips. After…
Where Does Mars’ Methane Go? New Study Provides Possible Answer, with Implications in the Search for Life.
A new study from Aarhus University offers new insight into what is making Mars' methane "disappear" - with serious implications…
Martian Clouds Might Start with Meteor Trails Through the Atmosphere
On Earth, clouds form when enough droplets of water condense out of the air. And those droplets require a tiny…