The asteroid belt between Mars and Jupiter contains ancient, ice-covered rocks that may have delivered much of Earth’s water ...

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

Lying between Mars and Jupiter is a massive ring of rock debris—the asteroid belt. Now thin, it’s fading away gradually.

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

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

The newly discovered "twilight" asteroid, 2025 SC79, was obscured by the sun's glare until an astronomer pointed the Dark ...

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

The way an asteroid spins -- either smoothly on its axis or in a chaotic tumble -- depends on how many times it has been hit by other objects in space. At the EPSC-DPS2025 Joint Meeting in Helsinki, ...