New Delhi, Oct. 29 -- NASA scientists are monitoring a new visitor passing through our solar system - a fast-moving interstellar comet called 3I/ATLAS. It's not dangerous, experts say, but the project built around it could one day save Earth from something that is.

Discovered earlier this year, 3I/ATLAS marks only the third known interstellar object ever spotted near our solar system, according to NASA. It is expected to exit our solar system between 27 November 2025 - 27 January 2026, before disappearing back into space.

The comet will not come anywhere near Earth. Its closest approach will be roughly 1.8 times the distance between the Earth and the Sun, as per Space.com. But this offers a rare chance for scientists to test how prepare...