This image from University of Hawaii's asteroid impact alert system, shows an arrow where asteroid 2024 YR4 would be, on December 27, 2024. This image from University of Hawaii's asteroid impact ...

A so-called "city killer" asteroid scientists have been monitoring after discovering it had a small chance of hitting Earth in 2032 "no longer poses a significant threat," NASA said in its latest ...

CAPE CANAVERAL, Fla. — Scientists have finally given the all-clear to Earth from a newly discovered asteroid. After two months of observations, scientists have almost fully ruled out any threat ...

Lucy had already successfully observed the tiny main belt asteroid Dinkinesh and its contact-binary moon, Selam, in November 2023. Lucy will continue to image Donaldjohanson over the next two ...