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

Ruined structures -- Rocks in a stream -- Systems inside systems -- Strange places and small things -- Pebbles and giant impacts -- The last ones standing -- A billion earths Summary An astonishing ...

A recently observed object called 2025 PN7 was found orbiting near the Earth. The quasi-moon is expected to accompany our planet in a similar orbit for 60 years.

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 ...