How do we know 3I/ATLAS, also called comet C/2025 N1 (ATLAS), is interstellar? Will it strike Earth? Can we visit it? Here ...

"Its occurrence is like finding a tropical seed in Arctic ice – indicating either an unexpected local environment or ...

Asteroid 2024 YR4 currently has a 2.3% chance of striking the Earth on Wednesday, Dec. 22, 2032, according to experts from NASA and the International Asteroid Warning Network (IAWN).