Explore the physics behind traveling from the Earth to the Moon and discover where gravity effectively becomes zero. Learn how gravitational forces balance, why astronauts feel weightless, and how ...

Four astronauts are about to become the first humans to venture near the moon in more than half a century since NASA's iconic ...

Even most rocket scientists would rather avoid hard math when they don't have to do it. So when it comes to figuring out ...

But in all likelihood, the Earth will not see this time, having been engulfed by the Sun in its red giant phase, around 7.6 ...

Thanks to Einstein’s relativity, time flows differently on Mars than on Earth. NIST scientists have now nailed down the ...

But machinery used on the moon must function in low gravity, a vacuum and amid abrasive lunar dust. It must also survive the two-week lunar night of electronics-killing temperatures that plunge to ...

Using lunar ice to make rocket fuel could help future lunar settlements sustain themselves and provide a launch pad for ...

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

After a fairly eventful mission to the Moon's surface, Charles Duke left several items on the Moon, and a message to whoever ...

The giant planet Jupiter has nearly 100 known moons, yet none have captured the interest and imagination of astronomers and ...

Jupiter's moon Europa is on the short list of places in our solar system seen as promising in the search for life beyond ...

After modeling Europa's conditions, the researchers concluded that its rocky seafloor is likely mechanically too strong to ...