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

Space scientists say they are preparing a comet interceptor spaceship as the third interstellar object ever detected was spotted this week. A mysterious object the size of Manhattan was spotted by astronomers hurtling through our Solar System at extraordinary speed.

Astronomers are meticulously tracking the new interstellar visitor that is crossing our solar system. Officially designated as 3I/ATLAS, this object is a comet that originated outside our solar system will soon make its closest approach to the Sun.