YR4 holds a 4 per cent chance of hitting the Moon. Discovered after it had already passed Earth, the asteroid's trajectory highlights the limitations of current Earth-based detection systems.

Paul Wiegert, a Western physics and astronomy professor, shares insights on asteroid 2024 YR4 and the likelihood it will hit Earth or the Moon.

A small shift in trajectory has raised the risk of a lunar impact — but the scariest part is, we can't track it anymore.

Recent analyses indicate that asteroid 2023 DW is moving at a speed of 25 kilometers per second and is currently situated ...