A recent video created from images captured by Curiosity shows clouds tinted red and green flowing though the sky over Mars.

Antares is one of the biggest stars we know of. Distinctly orangey-red to the observer (primarily through binoculars) and known as the “rival of Mars” because of its rosy color and because ...

For much of the year we’ve watched Mars, Saturn and Antares, the red heart of Scorpius, perform a ballet low in the south. Now Mars, having traveled eastward through Scorpius, leaves the ...

Antares should remain visible as the sky lightens as well, though it will eventually wink out as the background light overwhelms it. This red giant bears a visual resemblance to the planet Mars ...

September opens with a new moon and a wandering Mars. The red planet is on the verge of leaving Scorpius en route to Sagittarius, the archer, and its well-named Teapot. For much of the year ...