Despite it still having just a 2.3 per cent chance of hitting Earth, 2024 YR4 has prompted space agencies to draw up preventative measures. Astronomers believe it is between 40 and 90 metres ...

An asteroid nearly the size of a football field now has a greater than one percent chance of hitting Earth in about eight years. Such an impact has the potential for city-level devastation ...

Characterized as a potential "city-killer," the asteroid was first detected in December and its odds of impacting our planet have increased slightly since then, according to the European Space Agency.