This isn't much. For comparison, 1″ is the angle a dime subtends from a mile away. To see any detail on Mars, even at opposition, you'll need at least a medium-size telescope, an eyepiece that ...

But this was not Earth - this was the young Mars. Professor Brian Cox continues his tour of the solar system, revealing that it was once home to not one, but two blue planets. For millions of ...

NASA's Perseverance rover has been busy gathering bits of Mars — rock cores the size of chalk sticks, clusters of broken fragments no bigger than pencil erasers, and even grains of dust fine enough to ...