Discover the deadly effects of Mars' thin atmosphere, freezing temperatures, and intense radiation on the human body. Explore ...

While Mars continues to capture global imagination as the future of human colonization, few realize that Venus is actually ...

New discoveries by NASA's Curiosity Mars rover may not only explain why the Red Planet is a dry, lifeless desert, but that it ...

New research suggests the atmosphere of Mars may be hiding in plain sight, having been absorbed by minerals in the Red Planet's clays. If Mars' envelope of gas did "go to ground" over 3 billion ...

Earth is not the only planet with an atmosphere that glows green: Astronomers have observed the same ethereal phenomenon on Mars, according to a study published Monday in the journal Nature Astronomy.

A massive Mars meteorite sold for a record-breaking $5.3 million at a Sotheby’s auction, making it the highest selling ...

NASA’s Curiosity rover has breathed in Martian air and sniffed out good news and bad news for alien life: The Red Planet’s atmosphere was likely several times thicker early in its history ...

Where exactly did Mars' atmosphere go? This question has been a central mystery of Mars' 4.6-billion-year history. For two MIT geologists, the answer may lie in the planet's clay.