Planetary defense is a critical field of study and action focusing on protecting our planet from potential cosmic threats, primarily asteroid and comet impacts. While the chances of a catastrophic impact are rare, the consequences would be devastating. In this article, we will explore the significance of planetary defense, the methods employed to identify and mitigate threats, and the collaborative efforts to safeguard Earth. The Significance of Planetary Defense The overarching significance of planetary defense is grounded in the profound...