Asteroid 2024 YR4, a roughly 180 foot wide rock initially labeled a “city killer,” has focused attention on how quickly a ...

Planetary scientists have published a detailed follow-up on the debris from their historic 2022 asteroid impact experiment in outer space. What they found challenges their understanding of the ...

Asteroid 2022 YS5 is a building-sized asteroid that is scheduled to make a close approach to Earth on July 17, capturing the attention of astronomers, scientists, and space agencies worldwide.