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

Asteroid 2025 SC79 is the size of a skyscraper and moves around the solar system at a record-breaking speed. Astronomers ...

Siddharth Patel, a 12-year-old who lives in London, Ontario (west of Toronto), spotted two possible asteroids in September as ...

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, ...

A new quasi-satellite, 2025 PN7, has been discovered, joining a group of asteroids that orbit the Sun alongside Earth. These ...

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?

If such ‘twilight’ asteroids approach Earth, "they could pose serious impact hazards," warned the astronomer behind the ...

As mankind was planning the first moon landing in the 1960s, an asteroid approached Earth—and still hasn’t left.

PN7 has been a mysterious space traveler, shadowing our planet for decades undetected in our vast celestial world, until now.

The mini-moon/asteroid will only be joining Earth's orbit temporarily before it returns to its other orbital path.

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