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

The Red Planet will be at its closest point to Earth, also known as perigee, on Jan. 12 and will be exactly opposite the sun ...

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

Fresh from the excitement of this week’s Wolf Moon, there’s another treat in store for sky-watchers this week, with Mars ...

Starting at 12:30 p.m. ET (1730 GMT) on Saturday (Jan. 25), astrophysicist Gianluca Masi of the Virtual Telescope Project ...

The northern plains of Mars, marked by thousands of mounds and hills, hold significant evidence of the planet's watery past.

Mars' southern hemisphere absorbs a lot of the sun's energy during the Red Planet's spring, and that may be causing Mars' ...

President Trump pledges in inaugural address to pursue policy that 'expands our territory' and to put US astronauts on Mars.

The new work suggests that the edge of the dichotomy was eroded back by hundreds of kilometers during the time when an ocean ...

Skywatchers: A six-planet alignment peaks this week as Mars, Jupiter, Uranus, Neptune, Venus, and Saturn come together for ...

Directly to the right of Orion is Jupiter and left of it is the unmistakable red disc of Mars. The best time to view the ...