The universe has quasi-moons, mini-moon, and moonlets, but no official definition of what counts as a moon.

A rogue visitor from deep space, Comet 3I/ATLAS, has put NASA on alert after its trajectory and behaviour shifted ...

NASA has activated its planetary defence network to monitor comet 3I/ATLAS, a rare interstellar object showing unusual ...

Astronomers have identified 2025 SC79, a new asteroid with a remarkably fast 128-day orbit, placing it among the ...

The comet, called 3I/ATLAS, is the third known interstellar object that has come through our solar system. As it flies deeper ...

Hidden by the Sun’s glare, a new space object has been found lurking in our Solar System, and it's one of the fastest-moving ...

The Asteroid 2025 PN7 will orbit near the Earth as a quasi-moon until 2083, when it will drift away at high speed after ...

November's full moon will also be bigger and brighter than usual. Here is everything to know about the Beaver Moon and how to ...

A new study of dinosaur biodiversity challenges the belief that the megafauna were on their way out 66 million years ago ...

A massive crater hidden beneath the Atlantic seafloor has been confirmed as the result of an asteroid strike from 66 million ...

Researchers have confirmed the discovery of a massive asteroid strike that created a conspicuous crater in southern China’s ...

The small asteroid 2025 PN7, dubbed as Earth's temporary quasi-moon by NASA, has sparked curiosity about its visibility to ...