Martian atmosphere

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…

8 months ago

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…

8 months ago

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…

1 year ago

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…

2 years ago

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…

2 years ago

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…

2 years ago

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…

2 years ago

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…

2 years ago

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…

2 years ago

Earth has a Water Cycle. Mars has a Dust Cycle

To say there are some myths circulating about Martian dust storms would be an understatement. Mars is known for its…

2 years ago