Caltech scientists published a study using NASA Curiosity rover imagery showing the past existence of warm water on Mars.

NASA is working on an exciting mission to send humans to Mars in the next few decades. To make this happen, the agency is ...

Harvard scientists explain how Mars had warm spells billions of years ago, allowing rivers and lakes to exist.

Discoveries of clay minerals in Martian mounds by researchers indicate that Mars once had large bodies of water billions of ...

Paying homage to Kim Stanley Robinson’s Mars trilogy of books and to the film Interstellar, our readers consider the upsides ...

The car-sized Curiosity rover has spotted evidence of once quite hospitable environs on Mars.

The building blocks of life could have been delivered to Ceres by one or more space rocks from the outer asteroid belt.

The fact that the cold, dry Mars of today had flowing rivers and lakes several billion years ago has puzzled scientists for ...

Human ambition to want to know as much as possible about everything around us in space is something that could already be ...

On Jan. 25, the love planet will join forces with go-getter Mars in an emotionally driven trine, inspiring a flood of ...

UK researchers have confirmed the existence of a “super Earth” located 20 light-years away that could reveal the existence of ...

The 3.7-billion-year-old formations in the planet's Gale Crater suggest the presence of long-gone bodies of liquid water, ...