The engineering lesson is simple: Sometimes the best observatory is the one already parked at another planet. When an ...

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.

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 ...

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 ...

Mars has an active, electrically charged surface where dust storms and spinning dust devils regularly move and reshape the landscape. Mars is often portrayed as a dry, empty world, but the planet is ...

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

Are planets in the solar system that are closer to the Sun older than the ones further away? – Gavriel, age 10, Paducah, Kentucky A cloud of collapsing gas created our Sun, the first thing to form in ...

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 ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. Planetary scientists are split, oscillating between two main theories that explain the order in ...

This article was originally featured on The Conversation. Are planets in the solar system that are closer to the Sun older than the ones further away? – Gavriel, age 10, Paducah, Kentucky A cloud of ...