NASA confirms comet 3I/ATLAS, a rare interstellar visitor, will safely pass the Sun and Venus in late 2025, offering ...

Mars has two moons, but they're not quite like Earth's moon. That's raised a lot of questions about where they're from, ...

NASA is studying interstellar object 3I/ATLAS to refine its planetary defence systems, using the comet's rare trajectory as a ...

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

Astronomers can usually spot "planet killer" asteroids long before they approach Earth. But what if they can't?

A small asteroid named 2024 PN7 is moving close to Earth, sparking false claims about a second moon — here’s what scientists actually say.

NASA and ESA say 3I/ATLAS poses no threat to Earth. We explain its nickel-heavy readings, IAWN’s training drill, and why the Harvard alien claim lacks proof.

Comets Lemmon and SWAN are nearing Earth in a rare double cosmic treat. Where and what time can you see them? What to know.

Quasi-moons are not real moons and don't actually orbit the Earth, although they sometimes appear to do so for short periods of time, Phil Nicholson, professor of astronomy at Cornell University, told ...

This quasi-moon is expected to remain in its current near-Earth orbit for about another 60 years before the gravitational tug ...

Earth has just acquired a new best friend in space – a small asteroid named 2025 PN7. Not quite a moon, it has been moving in ...

All sorts of crazy things have been suggested regarding 3I/ATLAS, the third known interstellar object that we've discovered.