Martian atmosphere
A New View of Olympus Mons
After 100,000 orbits and almost 23 years on Mars, NASA's Mars Odyssey orbiter has seen a lot. The spacecraft was…
Odyssey Gives Us a Cool New View of Mars
Chances are that you've seen images of Earth from space, thanks to the astronauts aboard the International Space Station (ISS),…
Martian Green Nightglow Seen for the First Time
The ESA's ExoMars mission just observed nightglow in Mars' atmosphere, a phenomenon that also happens on Earth.
This Sure Looks Like the Movements of a Glacier Across Ancient Mars
An image taken by the HiRISE camera aboard NASA's MRO shows evidence of past glaciers away from Mars' polar regions.
Life Probably Didn't Have a Hand in Creating Organic Deposits on the Surface of Mars
Using data from the ESA's Trace Gas Orbiter (TGO), new research shows that organic material on Mars may not be…
Perseverance Sees Drifting Clouds on Mars
NASA’s Perseverance rover mission provided a bluish pre-sunrise gift above Jezero Crater on March 18, 2022, aka Sol 738, or…
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…