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

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

In the distant past, the solar system was rife with impacts and collisions. Millions of rocky objects zoomed chaotically ...

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

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

Astronomers have discovered asteroid 2025 PN7, a tiny 'quasi-moon' that has been shadowing Earth in near-synchronised orbit ...

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

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

The Earth often gets a few visitors in the solar system, but some stick around for a while. Here's what to know about the ...