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

Thousands of mysterious clay mounds found on Mars were formed by ancient water on the Red Planet's barren northern plains, ...

Images of Mars taken from orbit show thousands of mounds in a region sculpted by water billions of years ago. A robotic ...

NASA's achievements, from the iconic Apollo missions to the James Webb Telescope, have redefined space exploration and ...

MYSTERY hills have been found on Mars sparking hopes scientists can solve the planet’s biggest mystery from billions of years ago. The Red Planet is dotted with thousands of mounds ...

There is already water on Mars, but it is in the form of ice and mixed with carbon dioxide. According to NASA, they are ...

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

Stargazers, prepare for the parade of planets that will take place over the next few nights in the sky. Here's what you need to know.

Astronomical lineups are quite common. However, what sets this month’s planetary parade apart is the number of bright planets ...