An astronomer is suggesting that Mars once had a large moon that exerted enough force to create a large bulge on its surface.

Giant, dense structures have been discovered beneath the surface of Mars and they are leaving experts both mystified and ...

Newly released images of Mars reveal a "smiley" salt deposit on the Red Planet's surface. A related study suggests that ...

The image above shows a striking cloud pattern sculpted by gravity waves, which are common ripples in both Mars' and Earth's ...

A Mars scientist shares the inside story of the NASA Curiosity rover's poignant first photo of Earth and Mars moon Phobos ...

In searching for potential dangers humans would face on a long Mars mission, scientists are leaving no stone ...

NASA’s Curiosity rover achieved a historic milestone by capturing the first-ever image of Earth alongside Phobos, one of Mars ...

Martian Cloud Atlas unveils stunning atmospheric phenomena on Mars, offering valuable data on the clouds, storms, and weather ...

Mars is a place of mysteries. Was it ever—or is it now—home to life? Why did it lose its magnetic field, allowing the solar wind to claw away its once-abundant atmosphere? And then there’s ...

Watching for changes in Mars' orbit over time could be new way to detect passing dark matter, according to researchers.

The red planet Mars, named for the Roman god of war, has long been an omen in the night sky. And in its own way, the planet’s rusty red surface tells a story of destruction. Billions of years ...

In the 19th century, the idea of men on Mars took off after astronomer Giovanni Schiaparelli observed straight lines on Mars, which he called canali. This means channels, but it was wrongly ...