Earth’s core is located below the middle layer called the mantle and the outer layer –or crust. It consists of two main parts ...
YR4 has a 2.2% chance of striking Earth in seven years, but recent updates keep pushing the odds in the wrong direction.
"An asteroid this size impacts Earth on average every few thousand years and could cause severe damage to a local region," ...
The potentially hazardous asteroid Bennu probably won't hit Earth. But this study shows the damage a space rock of its size ...