One summer night in 1877, American astronomer Asaph Hall was looking through his telescope in Washington, D.C. Mars was at its closest point to Earth in its orbit, and Hall had one question on his ...

NASA's Mars Pathfinder mission arrived on Mars and began transmitting images from the surface of the Red Planet. The rover, ...

Our satellite hangs out with the heart of the Scorpion, known for its vivid red hue as the Rival of Mars in our sky.

On June 17, Mars will enter the meticulous sign of Virgo, encouraging you to critique, improve and get your ducks in a row. Here's what Mars entering Virgo means for your zodiac sign, according to ...

During the latter part of June, Mars will put on a couple of eye-catching shows, teaming up first with a bright star and then, late this month, with the moon.

Mars will leave the bright star Regulus to join the Spring Triangle asterism on the nights following June 18.

On July 7, skywatchers will see a bright moon near red supergiant star Antares in the southeastern sky after sunset. It's one ...

If future Mars explorers want to be able to go out and explore the planet without their likelihood of developing cancer shooting through the roof, they’ll need some kind of radiation protection ...

Mars has received considerable attention in the past few decades, thanks to the many robotic missions exploring it to learn more about its past. NASA and China plan to send astronauts/taikonauts ...

On May 18, Mercury in Taurus will square with Mars in Leo, creating a battle between your words and your actions. This square could manifest as a verbal confrontation, impulsive decision-making or ...

NASA has found a rock on Mars that it has dubbed Skull Hill. The rock is known as a "float rock," and NASA has no idea where it came from.

Visit ancient Mars -- a surprisingly temperate planet where snow or rain falls from the sky, and rivers rush down valleys to feed hundreds of lakes.