Scientists studying Mars rocks have found a metal-rich mineral. This raised news question about whether the red planet once ...

A chance observation by NASA’s Curiosity rover has uncovered the first direct physical evidence of an ancient Martian ...

For decades, scientists have imagined Martian life as something that might look faintly familiar, perhaps microbes not so different from those that once thrived in Earth’s ancient seas. A new wave of ...

A routine drive by NASA’s Curiosity rover accidentally cracked open a Martian rock, revealing rare yellow sulfur crystals. The strange discovery has scientists questioning how such an unexpected ...

There's more evidence that water once flowed on Mars with the discovery of an ancient river delta deep below the surface. NASA's Perseverance rover found it more than 35 meters beneath Jezero Crater ...