The Perseverance rover has found some intriguing samples on the red planet. Here's what they might reveal about the origins ...

Are we alone in the universe ... watery history on Mars Raging river and frost-tipped dunes reveal watery history on Mars ‘Snakes’ on the moon? They could join our lunar mission.

At National Geographic, exploration of new frontiers is in our DNA. As far as Mars goes, we’ve already launched—and landed. This month: Everything about sending astronauts to Mars is hard ...

The Earth's nodding, though relatively modest, influences the rhythm of our ice ages ... "I should deem it a useless lump in the universe." Today Mars looks a lot more like a globe of ice than ...

I’m one of a team of more than 500 travelers exploring Mars from California ... but also familiar. Our robot is no Ansel Adams, and Gale crater is not the next national park, but its strikingly ...

But, inspired by the ground truth from the rovers, scientists are finding clues in images of Mars from orbit and even in odd corners of our own planet. Satellite images, for example, show that ...

Still, life-giving waters flowed compellingly through the Mars novels of Edgar Rice Burroughs, while H. G. Wells conjured a Martian race of "intellects vast and cool and unsympathetic." ...

With a radius of 2,106 miles, Mars is the seventh largest planet in our solar system and about half the diameter of Earth. Its surface gravity is 37.5 percent of Earth’s. Mars rotates on its ...

This story appears in the November 2018 issue of National Geographic magazine. If there’s ever been life on Mars, she could be the one to find it. To discover the earliest signs of life on Earth ...

This story appears in the August 2017 issue of National Geographic magazine. Carl Sagan spent his childhood immersed in Mars. The future scientist, an avid reader of Edgar Rice Burroughs’s ...