In the past couple of months there have been several celestial events that have dazzled the night sky. For those who may have ...

Nearly all of the images they have of it were ... moon is tidally locked — meaning one full spin matches the amount of time it takes to complete its orbit of Mars — only one side has been seen on the ...

The red planet ... on Mars can reach as high as 70 degrees Fahrenheit and as low as -225 degrees Fahrenheit, but on average, its surface is -81 degrees Fahrenheit, a full 138 degrees colder ...

The results of Hera's flyby could ultimately tell us whether Deimos is a captured asteroid or made from debris from a giant ...

A space probe flying past Mars captured images of the red planet's small, mysterious moon. While on a flyby of Mars, Hera was able to use three of its imaging instruments to capture images of ...

The Red Planet and its tiny moon Deimos were recorded at a very near distance as the asteroid-chasing spacecraft completed a ...

A space exploration mission to study an asteroid that NASA deliberately crashed a spacecraft into three years ago has taken stunning bonus images of Mars and ... with our planet could be ...

The first thing most people think of when they consider Mars is its deep red color. The Romans associated the planet with their ... Mars Dust Storm (Getty Images/MARK GARLICK/SCIENCE PHOTO LIBRARY ...

Seven planets are aligning in the night sky this week, creating a brief chance to see a "planetary parade." Worldwide, the best day to see the alignment is today, Feb. 28. Mercury, Venus ...

"We're seeing that the shoreline of this body of water evolved over time," Cardenas said. "We tend to think about Mars as just a static snapshot of a planet, but it was evolving. Rivers were ...