Why it matters: While not evidence of life, these discoveries show that ancient Mars had complex organic chemistry, ...

NASA’s Curiosity Mars rover captured images of hilly terrain on Mars, described by scientists as resembling spiderwebs from orbit, which provide clues about the planet’s watery past.

Mars’ frozen ice caps may be time capsules for ancient life. Lab experiments show that key building blocks of proteins can survive tens of millions of years in pure ice, even under relentless cosmic ...

NASA’s Curiosity rover has spent six months exploring the site to investigate if they are a clue to the presence of water.

NASA's Curiosity rover, which launched in 2011 from Florida, found signs of organic material that on Earth is most often ...

Yet another tantalizing clue. The post NASA Running Out of Non-Life Explanations for What Its Rover Found on Mars appeared ...

From orbit, the terrain looked like a tangle of giant spiders drawn across a Martian hillside. Up close, it looks even ...

Mars has long tempted scientists with hints of chemistry that might once have supported life. Now a NASA-led study argues ...

Searching for past or present life on Mars is the sole driving force behind every mission we send to the red planet, from orbiters to landers to rovers. However, there remains a concern in the ...

Curiosity has been exploring a region filled with boxwork formations, which formed billions of years ago when water leaked through rock cracks.

“This finding by Perseverance …is the closest we have ever come to discovering life on Mars,” said acting NASA administrator Sean Duffy in a statement. “The identification of a potential biosignature ...