The solar system’s first asteroids were probably born big. Rather than slowly amassing bulk over time, the original members of the asteroid belt rapidly formed into rocks hundreds of kilometers across ...

Scientists at the Rubin Observatory have identified nearly 11,000 asteroids, including hundreds beyond Neptune and 33 previously unknown near-Earth asteroids.

There are tens of thousands of near-Earth objects (NEOs) that represent some of the most easily accessible resources in the ...

Jake Kurlander is a graduate student at the UW school of astronomy who, along with UW research scientist Ari Heinze, built ...

When we think about asteroids that could threaten Earth, we often imagine massive, city-sized rocks hurtling through space. But what if the real danger comes from much smaller, barely detectable ones?

From icy comets to rocky asteroids, small solar system bodies are more than just space debris—they’re time capsules from the dawn of our cosmic neighborhood. Scientists now think some may have ...

A meteor cluster reveals an asteroid disintegrating near the Sun. These observations help uncover hidden asteroids and ...

I watched Armageddon again fairly recently with Bruce Willis, oil drillers in space and an asteroid the size of Texas bearing ...

A computer visualization maps small bodies in the solar system that are expected to be observed by the Rubin Observatory during the 10-year Legacy Survey of Space and Time. Red indicates near-Earth ...

WEST LAFAYETTE, Ind. — New results from OSIRIS-REx, NASA’s first asteroid sample return mission, reveals why some gray asteroids reflect light at different wavelengths, like red or blue, more strongly ...

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