Mars is the fourth planet from the sun and has a distinct rusty red appearance and two unusual moons. The Red Planet is a ...

The rusty world is full of mysteries—and some of the solar system's most extreme geology. Learn more about Earth's smaller, colder neighbor.

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. For three successive nights, beginning Monday, June 16, the ...

Landing humans on Mars could teach us whether life ever existed beyond Earth, how planets change over time, and how humans can live on other worlds. By studying Mars up close, astronauts could answer ...

On Earth, a blazing orange and crimson horizon marks the close of day. On Mars, the planet famous for its rust-red landscapes ...

Have you seen the bright star in the west after sunset? It’s Venus — and it’s about to do something spectacular. On June 9-11, Earth’s sister planet will appear to tangle with Jupiter in the night sky ...