A rare triple conjunction of Venus, Mars and Mercury is happening on the opposite side of the solar system to where Earth is, ...

Researchers uncover how Mars affects Earth’s orbit, offering new insight into the planetary forces behind ice ages.

"Without Mars, Earth's orbit would be missing major climate cycles. What would humans and other animals even look like if ...

Despite its small size, Mars seems to have a huge impact on the orbital cycles that govern Earth’s climate, especially those ...

Volcanic activity on Mars has existed in the past. The most recent was likely 50,000 years ago. Olympus Mons, the largest volcano on Mars, hasn't shown signs of activity for 25 million years. Volcanic ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. Mars, the red planet, could be in for a global display of ...

New simulations suggest that up to four of the solar system's rocky planets, including Earth and a long-lost world, once orbited in mathematical harmony around the infant sun. When you purchase ...

Mars today is a frozen, dusty desert. But if you look deep inside Valles Marineris, the largest canyon system on Mars and in ...