A Mars rover has discovered strange, bleached rocks that suggest Mars may have once been wet and warm. Researchers at Purdue ...

Are we alone in the universe? This must be the deepest question in human history. Since its creation, NASA and other space agencies have invested billions of ...

When astronauts set foot on Mars, it will be one of humanity’s greatest milestones, marking the start of a new era of ...

Eight "skylights" may be entrances to underground spaces where evidence of ancient microbial organisms could be found. The ...

A mudstone sample from Jezero Crater shows textures and minerals that on Earth often form through microbial activity. Scientists caution that nonbiological processes could also explain the features, ...

The Perseverance rover's discovery of a potential biosignature found on a sedimentary rock on Mars is an exciting development in our search for life elsewhere in the universe, but how does it rank ...

NASA's Perseverance rover found kaolinite clay in Mars' Jezero Crater, proving ancient heavy rainfall and tropical-like ...

Scientists have created the most detailed map of Mars’ ancient river systems, pinpointing 16 major basins that may have once ...

The search for life on Mars dates back about five decades, and a Sept. 10 announcement marks perhaps the most dramatic advancement yet. The news: NASA's Perseverance rover had found potential signs of ...

Scientists have discovered living, methane-producing microbes deep inside a massive meteorite impact crater in Sweden, and the find could change the way researchers think about where life can survive ...

The surface of Mars is alive with change. More than five years of observations by the University of Arizona's High Resolution Imaging Science Experiment (HiRISE) have revealed a planet with shifting ...

New research reveals that ancient Mars once hosted vast river drainage systems comparable in scale to some of Earth’s major ...