Astronomers have never seen Mars as up close as they will this week. The elliptical orbits of both Earth and Mars bring the planets relatively close every 18 months or so, but the Red Planet hasn't ...

NASA's Perseverance Mars rover used its dual-camera Mastcam-Z imager to capture this image of Santa Cruz, a hill about 1.5 miles away from the rover, on April 29, 2021, the 68th Martian day, or sol, ...

In the fall of 1659, Christiaan Huygens observed the opposition of Mars, drawing what he saw. The result was the first drawings of the recognizable surface features of the Red Planet – an achievement ...