Planet Earth, narrated by David Attenborough, is streaming now. Find out where to watch all seasons, including Planet Earth ...

Our Earth is structured sort of like an onion – it’s one layer after another. Starting from the top down, there’s the crust, which includes the surface you walk on; then farther down, the mantle, ...

Seismic imaging has exposed two massive zones hidden deep in Earth’s mantle. These giant blobs, known as large low-velocity provinces, or LLVPs, stretch beneath Africa and the Pacific. They are so ...

From grand and elusive creatures to small and bizarre ones, David Attenborough's BBC docuseries offers wonders in every frame. Michelle Yoeh plays an evil emperor in a new Star Trek made-for-TV movie.

Scientists have discovered a heartbeat-like pulse emanating from inside the Earth beneath the continent of Africa, which they believe will one day rip the continent into pieces. In a new study ...

NASA scientists have uncovered an unexpected presence inside Mars, a solid mass around 373 miles in size. This finding has ...