Why is Mars known as the Red Planet? The answer lies in its striking reddish glow, visible even from Earth. The surface of Mars is covered with iron oxide - commonly known as rust - which gives it a ...

(CNN) — Here’s a look at the exploration of Mars. The United States, Soviet Union and China are the only three countries to land a spacecraft on Mars. There have been nine successful US Mars landings: ...

A new study indicates that crews with a wider range of personalities perform better under pressure, possibly informing how NASA selects and trains its astronauts for future missions to Mars.

But what exactly is a planet? It seems like an easy question. After all, you’re standing on one right now! But the scientific ...

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to CuriousKidsUS@theconversation.com. Are there thunderstorms on Mars? – Cade, age 7, ...

Two decades of spacecraft images reveal more than 1,000 dust devils whipping across Mars at unexpected speeds, offering fresh insight into how wind and dust shape the Red Planet.