Because the Earth is doing the work of increasing the Moon's momentum, the Earth's rotation slows down in turn, as its momentum goes to the Moon. To put it another way, as the Moon's orbital momentum ...

The Moon is getting 1½ inches (3.8 centimeters) farther away from the Earth every year. Scientists measure the distance to the Moon by bouncing lasers off mirrors placed there by space probes and ...

Earth's orbit is about to have a visitor, according to reports published by the Institute of Physics. The asteroid 2024 PT5 was discovered in August, along with its calculated trajectory to become the ...

As it spins around Earth, the moon is about to reach its closest point to the blue planet. On Sept. 10, the moon will reach the closest point to Earth along its elliptical orbit, referred to as the ...

Everyone who has ever lived on Earth has been well-aware of the moon, but it turns out Earth also has some frequent temporary companions. These "quasi-moons" are small asteroids that enter into a kind ...

‘It’s keeping me up at night’: My brother sold his share of the family farm and lost the rest in a divorce. He says I owe him. I left the U.S. for China - here's how much it costs Unemployment, ...

Scientists have discovered a previously unknown quasi-moon that’s been shadowing Earth’s orbit for decades, undetected, and will likely remain there for a few decades more. The quasi-moon, named 2025 ...

A satellite the size of a microwave oven successfully broke free from its orbit around Earth and is headed toward the moon. It's the latest step in NASA's plan to land astronauts on the lunar surface ...