Comets that have hit Earth have been a mixed bag. Early in Earth's history, during the solar system's chaotic beginning, they ...

This spring, skywatchers have been treated to the captivating and unpredictable display of a new comet, called C/2025 F2 ...

Tsuchinshan-ATLAS was that rare type of comet that arrived with fanfare and lived up to the hype, serving up naked-eye views ...

Icy comets can supply water and oxygen to tidally locked e Feb 2025 research shows asteroid impacts could cool Earth and deplete ozo Studies provide insights into planetary habitability and potential ...