Scientists measure the distance to the Moon by bouncing lasers off mirrors placed there by space probes and astronauts.

As of Tuesday, Sept. 30, the moon phase is Waxing Gibbous, and according to NASA's Daily Moon Observation, 56% of its surface ...

Astronomers have found yet another quasi-moon companion of Earth in its orbit around the Sun believed to be a chunk of our ...

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 ...

A new celestial object, a quasi-moon, has been discovered in Earth’s orbit. This cosmic companion has been circling our planet unnoticed for decades, possibly up to 60 years, and is now redefining our ...

The Earth stands alone in the solar system as a habitable world, as far as we know. But that doesn’t mean we don’t get visitors, most often in the form of (usually harmless) asteroids. Some even ...

For researchers at the University of Idaho, spotting a moon 6 miles wide orbiting Uranus, a staggering 1.8 billion miles from ...

Earth has a newly discovered—albeit temporary—companion in its journey around the sun. In research published this month in ...

The Moon is Earth's only natural satellite, formed approximately 4.5 billion years ago from debris ejected after a massive impact with Earth. Despite appearing the same size as the Sun from Earth, ...

In a new study published in the journal Research Notes of the American Astronomical Society, astronomers report the discovery ...

Astronomers have identified a tiny quasi-moon, 2025 PN7, orbiting near Earth for about 60 years. This 62-foot-wide near-Earth ...