The Moon is Earth’s closest satellite in our solar system, but in many ways, we hardly know our neighbor. Scientists aren’t entirely sure how it formed, and other facts, like its shape (more ...

The moon has been the Earth's companion in the Solar System for almost 5 billion years. It is the only place beyond Earth where humans have set foot.

The moon, located some 239,000 miles from Earth, ... There are two giant masses of rocky material inside Earth, made of different elements than the rest of Earth's interior.

In 2015, a revolutionary new idea about colonizing the moon was proposed: mine various elements from the planet's surface to convert into fuel, and use that fuel in reusable rockets to help humans ...

The Blue Moon wasn't selected for NASA's Artemis missions, ... By choosing these elements to power the lander, Bezos hopes that one day the spacecraft can be refuelled in space, ...

Titan is the largest moon of Saturn and the second largest moon in ... and that often include oxygen and other elements similar to what is found in Earth's atmosphere and that ... Other Titan facts.

NPR's Ari Shapiro talks with hosts of NPR's science podcast, Short Wave about Saturn's moon Enceladus, a tiny 'quasi-moon' near Earth's orbit, and how spaceflight affects astronauts' brains.