Mars is thought to currently have all the necessary ingredients for life except for perhaps the most important one: liquid water ...

As the sun grew hotter, so did Mars, prompting much of its atmospheric carbon dioxide to rain out and ultimately get locked ...

The new images by the Curiosity rover on Mars show "dramatic evidence" of ancient groundwater in crisscrossing low ridges, ...

The images and data being collected are already raising new questions about how the Martian surface was changing billions of ...

The Mars rover found geological formations in Gale Crater showing how water percolated beneath the surface, and ...

Astronomers on Wednesday confirmed the discovery of an interstellar object racing through our Solar System – only the third ...

Scientists had hypothesized before the rover arrived that the peculiar ridges formed with the last trickles of water in the ...

One of the great unsolved problems in modern planetary science is written on the surface of Mars. Mars has canyons that were ...

Mars shines in the evening, and is joined briefly by Mercury. Jupiter joins Venus as the month goes on. And all month, look ...

NASA images reveal shallow ice beneath Mars’s surface, offering a promising water source for future astronauts and clues to ...

NASA was to supply some critical technologies for the mission, which Europe may not be able to readily replace.