Recent scientific research has unearthed an intriguing proposition that Earth may have once been orbited by two moons instead ...

Earth is the only planet in our solar system with a single moon, making it a rare phenomenon for a planet of its kind.

Every year, the moon, Earth's reliable celestial companion for 4.5 billion years, is getting 1.5 inches away. The distance to ...

Because the Earth is doing the work of increasing the Moon's momentum, the Earth's rotation slows down in turn, as its ...

Long ago, the Moon was much nearer Earth. Scientists believe a protoplanet collision created the Moon 4.5 billion years ago.

2025-PN7 is around 62 feet (19 meters) wide, and it’s between 2.8 million miles and 37.2 million miles away from Earth. It was found in the constellation Piscis Austrinus, which can be seen in ...

The asteroid known as 2024 YR4 is out of sight yet still very much on scientists’ minds. The building-sized object, which initially appeared to be on a potential collision course with Earth, is ...

The dark skies during a new moon provide ideal conditions for spotting skywatching targets that would otherwise be outshined by moonlight.