You may have heard a lot of online chatter about Earth's two moons recently, but that doesn't quite get the discovery right. Earth still only has one true natural satellite — our 2,159-mile-wide moon ...

Earth has one true moon, but there are also several asteroids known as quasi-moons that are in orbit with the sun. A newly discovered asteroid, 2025 PN7, is the seventh confirmed quasi-moon that ...

An asteroid named 2025 PN7 will be sharing the Earth's orbit until 2083. Earth will have a visitor within its orbit for the next several decades, according to astronomers. An asteroid named 2025 PN7 ...

The Moon exerts a constant physical influence on Earth through gravity, light, and orbital interaction. Its mass shapes ocean ...

A new dataset from Lawrence Livermore National Laboratory maps one million cis-lunar orbits, highlighting orbital stability challenges, space domain awareness needs, and planning requirements for Moon ...

The United States is preparing to send astronauts around the Moon for the first time in more than half a century, riding a ...

The European Space Agency's (ESA) Hera spacecraft is scheduled to arrive at the binary asteroid system Didymos in November ...