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

The Wolf Moon will reach its peak fullness at 5:27 p.m. Eastern Time on January 13. It will rise in the sky about an hour ...

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

President Donald Trump made a bold promise to America minutes after taking the Oath of Office: pledging that an American flag ...