It sounds like a sci-fi plot, but it’s a cold, hard scientific fact: our closest cosmic neighbor, the moon, is slowly moving ...

Archival data revealed that the object has been in an Earth-like orbit for around six decades. Some 4 million kilometers (2.5 ...

Astronomers identified asteroid 2025 PN7 as a quasi-moon of Earth in 2025, a rare celestial companion sharing Earth's solar ...

According to NASA, a small asteroid named 2025 PN7 is what scientists are calling a “quasi-moon,” which is considered a rare ...

NASA just confirmed that a quasi-moon has been orbiting since 1960. Here is everything to know about what is being called a "second moon." ...

He envisioned these ‘stationary’ satellites acting as relays for radio and television signals, connecting the whole world.

As astronauts prepare for south-polar landings, a new look at the Moon’s biggest crater points to a pivotal moment in lunar ...

A spectacular supermoon rose over New Jersey skies on Monday, Oct. 6th, with peak visibility across the Northern Hemisphere ...

A new scientific theory on solar tide effects has dramatically improved the accuracy of calculating how much faster clocks ...

A natural satellite is simply a celestial object that orbits a planet or a smaller body. Unlike the ones we build and send up ...

Evidence points to a long-lost ocean beneath Ariel’s icy crust. Tides and orbit shifts may have cracked its surface billions of years ago. Growing evidence indicates that a deep ocean may lie hidden ...

The case for a newborn ocean on Saturn's moon Mimas continues to build.