The discovery has fueled speculation about the possibility of past or present extraterrestrial life beneath Mars' surface. While NASA continues to manage expectations, stressing that microbial ...

Such discoveries suggest water once flowed beneath Mars' surface. On Earth, sulfate minerals can preserve microscopic fossils of microbes. Finding similar structures on Mars could indicate past life.

Mars once had a thick atmosphere full of carbon dioxide capable of trapping heat in a Martian "greenhouse effect." This enabled liquid water to exist on a warm surface. But today, Mars is a dry and ...

Now NASA may have helped find it thanks to a signs of a carbon cycle beneath Mars’ dusty surface. It’s hard to prove that life was once on Mars, so scientists focus on analysing its rocks and ...

NASA said the rock that it came from likely formed at least 3.9 billion years ago during Mars’ earliest geologic ... when it touched down on the martian surface in dramatic fashion — a moment ...

A new study has revealed that lichens can withstand the intense ionizing radiation that hits Mars' surface. (The lichen in this photo is Cetraria aculeata.). | Credit: Pensoft Earth-based ...

India is preparing for Mangalyaan-2, a follow-up to its successful Mars Orbiter Mission ... approximately 1.3 kilometres above the Martian surface, powered descent engines will ignite and ...

"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 ...