In recent years, the threat of asteroids colliding with Earth has garnered significant attention. The asteroid known as 2024 YR4 has caused widespread concern, with experts emphasizing the potential risks it poses. The term 'city killer' refers to asteroids that are capable of causing catastrophic damage to urban areas if they impact Earth. As scientists like Robin George Andrews warn, deflecting such asteroids may not always be possible, and effective strategies for tracking and mitigating these threats are desperately needed. The public awareness and scientific focus on space debris and asteroid tracking have never been more crucial. Organizations like NASA are developing advanced technologies to better monitor incoming celestial bodies, and international cooperation is vital in addressing these potential threats. Understanding the trajectory and behavior of asteroids allows scientists to calculate impact probabilities and develop contingency plans to protect life on Earth. As research continues, it is essential for communities and governments to remain informed about the advances in asteroid detection and the ongoing debates about planetary defense strategies. Education about these issues can empower individuals to advocate for the necessary funding and support for space missions aimed at safeguarding our planet against possible asteroid impacts.