European scientists are turning an aircraft into a laboratory that simulates lunar gravity to prepare astronauts and ...

An object's weight on the Moon is approximately one-sixth its weight on Earth, illustrating the variation in gravitational force across celestial bodies. While an object's mass, measured in kilograms, ...

Scientists think the moon may have an interior that's kind of similar to Earth's — but questions remain. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it ...