On a battered rock in an ancient Martian riverbed, a pattern of dark, rounded patches has jolted planetary science. These “leopard spots” do not just look strange, they line up uncannily with what ...

NASA's plans for Mars sample return are effectively cancelled as part of a bill approved by the U.S. Congress, ending efforts ...

A study by scientists at Penn State and NASA shows that intact biomolecules from dormant microbes break down much more slowly ...

Scientists propose using ice as a building material for Mars habitats, offering protection from radiation while allowing ...

We could be one step closer to proving alien existence. In 1996, a group of NASA scientists made a stunning announcement: The discovery of what appeared to be bacterial fossils on Mars. President Bill ...

Mars-like shock and chemical stress reveal ribonucleoprotein condensates as a key survival mechanism in yeast. Life on Mars, ...

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, ...

SpaceX's mission remains focused on establishing a city on one of Earth's nearest neighboring planets. Musk's Starship will ...