"It's been such a puzzle that there was liquid water on Mars, because Mars is further from the sun, and also, the sun was ...

A U.S. scientist searching for a civilization across 7 Earth clones circling the red dwarf star TRAPPIST-1 says its own alien ...

Though it's a cold, dead planet, Mars still has its own natural beauty about it. This image shows us something we'll never ...

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

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

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

Earth’s nearest neighbors will be on display in the night sky and inside the Cincinnati Observatory during Nearest Neighbors Night on Saturday, February 1. This event will focus on the three celestial ...

Buttes and mesas in Mars' Chryse Planitia contain clay minerals made from liquid water interacting with the rock nearly 4 ...

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

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

Life on Mars is a dream long held – and not just for David Bowie. The idea of settling on the Red Planet has been around for ...

This means that the entire face of Mars is lit up, allowing for better observation of its surface features. The full illumination contributes to its brightness and makes it easier to see details ...