An exploding budget and an unraveling schedule spell disappointment for NASA's mission to learn more about Mars's history.

A famous illustration of Saturn's moon Titan got it all wrong. Never mind -- what we imagine space to be, and what we know it ...

The Mars Express orbiter launched to the Red Planet. Twenty years later, ESA has delivered a high resolution color image of ...

SpaceX readies its seventh test flight of Starship, the most powerful rocket ever designed. The trial will test upgrades to ...

NASA’s Curiosity rover is skygazing and photographing lovely examples of noctilucent clouds on Mars. The wispy formations ...

NASA is working on a nuclear electric propulsion system that would involve robotically assembling a space radiator the size ...

Geologically, Mars is very reminiscent of the moon. But it also looks a lot like the Earth. It all depends on who you ask.

NASA Administrator Bill Nelson left a final decision on a new mission architecture to the next NASA administrator working ...

The company has outlined its proposed architecture to return martian rock and dust samples to Earth for research.

The National Aeronautics and Space Administration (NASA) has planned two new strategies to bring crucial samples from Mars to ...