The news: NASA's Perseverance rover had found potential signs of ancient microbial life on Mars. The discovery represents "the closest we have ever come to discovering life on Mars," NASA acting ...

A lookout point in the foothills of Mount Sharp, a 3-mile-high mountain, allowed the rover to see all the way across Gale Crater 's floor. Near the center of the image is Peace Vallis, an ancient ...

A distant exoplanet might have an atmosphere similar to Earth's, early observations from the James Webb Space Telescope (JWST ...

Astronomers might be close to confirming the presence of an Earth-like atmosphere on an exoplanet for the first time, ...

New research using NASA's Perseverance rover has uncovered strong evidence that Mars' Jezero Crater experienced multiple ...

Analysis by researchers at the University of Bern suggests that water and other volatile compounds arrived on Earth from ...

Jezero Crater’s rocks reveal three stages of water activity, shifting from hostile acidic fluids to more life-friendly ...

The composition of crystals in volcanic rocks changes with their ages in ways that correlate with the Solar System’s ...

A planetary scientist walks through the sensors and systems that went into the recent detection of potential biosignatures.

For decades, the search for alien intelligence has revolved around the question: if someone out there is listening, how could ...

The findings suggest Earth’s geological story was partly written in the stars – specifically, in the spiral arms of our home ...

NASA’s Mars rover finds organic signals in mudstone that resemble microbial activity, sparking new debate over life on the ...