A NASA planetary expert has revealed that humankind has no way to protect against a city-killer asteroid if it were to head towards Earth.

A study found that these cosmic bodies appear to hold up remarkably well to sudden energy deposition and shock conditions, so we may be able to knock them off course and avoid disaster.

Asteroid mining companies are finally getting off the ground, and that is raising some concerns about the impact those activities will have on the space environment. A new paper published in Acta ...

Add Yahoo as a preferred source to see more of our stories on Google. This artist’s concept shows a small meteoroid striking the surface of Earth’s moon. (Mark Garlick/Science Photo Library/Getty ...

Late in 2024, astronomers spotted a new near-Earth asteroid named 2024 YR4. By mid-2025, its improved orbit tracking raised an unusual possibility: the space rock could hit the Moon on Dec.