An asteroid with the power to unleash an explosion one hundred times greater than the atomic bomb has triggered global space ...
The closest of the asteroids to us—estimated to be about the size of a car—is whizzing through space at 27,358 miles per hour ...
Scientists are closely monitoring asteroid YR4, which has a small chance of impacting Earth. Could it pose a real threat?
NASA has identified a newly discovered near-Earth asteroid which has sparked interest due to its potential for impact.