The newest visitor is 416 million miles (670 million kilometers) from the sun, out near Jupiter. NASA said the comet will ...

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

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

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

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

The comet should remain viewable through telescopes until September as it approaches the Sun, then emerge again in December on its outbound leg.

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

On Sols 4575 and 4576 of its mission, NASA’s Curiosity rover reached what its team is calling one of the most stable and ...

A volcano seems to have been identified near the rim of Jezero crater on Mars, which is being explored by NASA’s Perseverance rover. The vehicle may have already sampled material spewed out by ...

Redwire’s approximately 750 employees working from 17 facilities located throughout the United States and Europe are committed to building a bold future in space for humanity, pushing the ...