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 ...

The Red Planet will be at its closest point to Earth, also known as perigee, on Jan. 12 and will be exactly opposite the sun ...

The exact mechanism behind Mars’ ubiquitous dust storms is little understood. But a recent discovery is an important step ...

You’ll see Mars shining brightly above Jupiter. At a magnitude of just 5.8, Uranus will be much more difficult than Mars despite being just 32 arcminutes (about the moon's width) from the red ...

Jamie Carter is an award-winning reporter who covers the night sky. The fourth planet Mars will soon shine brighter than the night sky’s brightest star—Sirius—but during its entire ...

Mars currently comes up like a brand of fire in the east-northeast nearly three hours after sunset; it’s now rising about 5.5 minutes earlier each night. This golden-orange world has now flamed ...