During its initial molten phase, the Moon experienced tidal bulges on its near and far sides due to Earth's immense gravitational pull. The Moon's rotation initially carried these gravitationally ...

Humanity's first look at Earth from the moon didn't come until Aug. 23, 1966, when this grainy, black-and-white image showed our planet as a crescent above the lunar horizon, appearing to rise as the ...

Add Yahoo as a preferred source to see more of our stories on Google. The Moon is getting 1½ inches (3.8 centimeters) farther away from the Earth every year. Scientists measure the distance to the ...

The moon is quietly absorbing tiny fragments of Earth's atmosphere — and has been doing so for billions of years, a new study reveals. This surprising case of cosmic cannibalism is thanks to ...

Astronomers recently detected a stray quasi-moon in our planet’s orbit, but it's hardly the first stowaway to hang out around Earth. Unlike the Earth's moon, quasi-moons are not gravitationally bound ...

Stephen DiKerby receives funding from NASA and NSF grants, as well as from Michigan State University. Curious Kids is a series for children of all ages. If you have a question you’d like an expert to ...