Visit ancient Mars—a surprisingly temperate planet where snow or rain falls from the sky, and rivers rush down valleys to ...

Mars Express captures images of Acheron Fossae, revealing the Red Planet’s split terrain—ancient cratered highlands and ...

originally taken in 2017 by the Mars Reconnaissance Orbiter, actually shows several holes in the planet's surface. 'There are numerous holes pictured in this Swiss cheese-like landscape ...

A QUT-led study analyzing data from NASA's Perseverance rover has uncovered compelling evidence of multiple mineral-forming events just beneath the Martian surface—findings that bring scientists ...

They do not mention the toxicity of the Martian surface, the terrible health effects of long-duration interplanetary flight, the incredibly thin Martian atmosphere that has to slow down a very ...

“We have abundant evidence for liquid water flowing on the Martian surface before 3.5 billion years ago or so,” says geochemist Ben Tutolo of the University of Calgary. For those wet ...

Researchers have long believed that Mars once had a thick, carbon dioxide-rich atmosphere and liquid water on the planet’s surface. That carbon dioxide and water should have reacted with Martian rocks ...

But in contrast to Earth’s carbon cycle, which has been relatively stable for billions of years, Mars’ surface rocks absorbed far more carbon than they released. “CO 2 goes down, it doesn ...

There are features on the Martian landscape that many scientists have interpreted as signs that liquid water once flowed across its surface, with potential oceans, lakes and rivers considered as ...

"As the atmospheric gasses [on Mars] were lost over time to space, the atmosphere became thinner and the planet became colder. Estimates of surface ages indicate that Mars has been cold and dry ...