Mars has been born afresh in the human mind ... and wildly rapid swings from dusty and warm to cold and clear. (At the summit of Olympus Mons, for instance, the typical daily high is 40 degrees ...

Like Earth and Venus, Mars has mountains, valleys, and volcanoes, but the red planet’s are by far the biggest and most dramatic. Olympus Mons, the solar system’s largest volcano, towers some ...

It’s a term used by astronomers to describe when Earth, Mars and the Sun align. When this happens, Earth sits directly between Mars and the Sun, positioning the red planet directly opposite of the Sun ...

A satellite orbiting Mars ... Pavonis Mons and Ascraeus Mons, and together the three dead peaks form a near-perfect line ...

Fresh from the excitement of this week’s Wolf Moon, there’s another treat in store for sky-watchers this week, with Mars ...

Using magnifications up to about 200x, amateur astronomers may even glimpse some of the most famous features on Mars, including Olympus Mons, the tallest volcano in the solar system, which reaches ...