YR4 has a very small chance of striking Earth when its orbit briefly intersects our planet's in December 2032.

Deep within Earth’s mantle lie two enormous, continent-sized structures known as LLVPs. Scientists once believed these ...

Continent-size islands deep inside Earth's mantle could be more than a billion years old, a new study finds. Known as large low-seismic-velocity provinces (LLSVPs), these blobs are both hotter and ...

The chances that an asteroid hits Earth in 2032 are now at their highest since the object was first discovered, according to NASA.