The accidental use of Imperial instead of metric units meant doom for the Mars Climate Orbiter.

Mars has long been seen as one of humanity’s best hopes for colonization, but its harsh environment, freezing temperatures, ...

Whenever humans arrive on Mars, they're going to find it a difficult place to exist. Mars is cold, with an average surface ...

Mars' north pole contains a large ice cap made up of many layers of frozen water. Like ice cores on Earth, those layers offer a tantalizing record of climate on Mars over the past several million ...

Mars may look like a frozen desert today, but new evidence suggests its watery past didn’t simply fade away quietly—it may ...

Small but mighty, the red planet — our celestial neighbor — has made Earth’s climate what it is today. Mars’ gravitational pull serves as a stabilizing force for our home’s orbit, tilt and position ...

Even when the idea of terraforming Mars was originally put forward, the idea was daunting. Changing the environment of an entire planet is not something to do easily. Over the following decades, ...

Scientists have found that ancient Martian lakes could have survived for decades despite freezing air temperatures. Using a newly adapted climate model, researchers showed that thin, seasonal ice ...

For two decades, images from European spacecraft have captured bits of unremarkable digital noise as they photograph Mars. Now, scientists have turned that noise into a breakthrough, cataloging 1,039 ...