Yes, the benefits for humanity will be worth the risks Yes, but only if we can delay things enough to develop proper safeguards No, there's no point in stopping it — we may already be too late No, we ...

An award-winning UK scientist warns that it might be too late to deflect the “city killer” asteroid that’s headed toward Earth. Deflection efforts “might not be able to stop 2024 YR4,” cautioned Robin ...