Lying between Mars and Jupiter is a massive ring of rock debris—the asteroid belt. Now thin, it’s fading away gradually. In a new study, planetary scientist Julio A. Fernández of Uruguay’s Universidad ...

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

A new analysis estimates that the asteroid belt is steadily losing mass each year, and may not be as permanent a feature of ...

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

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

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 ...

Asteroid ‘Families’ Reveal Hidden Histories and Impact Risks across the Solar System ...

Where do meteorites of different type come from? In a review paper, astronomers trace the impact orbit of observed meteorite falls to several previously unidentified source regions in the asteroid ...

The 2025 PN7 is Earth's newly confirmed quasi-moon, a tiny asteroid (approx. 19m wide) that orbits the Sun in sync with our ...

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 ...