The asteroid known as 2024 YR4 is out of sight yet still very much on scientists’ minds. The building-sized object, which initially appeared to be on a potential collision course with Earth, is ...

The climate of Earth has always been molded by powerful forces. From volcanic eruptions to asteroid impacts to shifts in its orbit, every event leads to something new in its collective environment.

An asteroid called 2023 CX1 underwent a single explosion, hinting that it had an unusual structure that might be more ...