Giant regions of the mantle where seismic waves slow down may have formed from subducted ocean crust, a new study finds.

Giant regions of the mantle where seismic waves slow down may have formed from subducted ocean crust, a new study finds.

NASA astronaut Don Pettit has published a surreal video and photograph of Earth that resembles the ending of Christopher ...

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 ...

Russian cosmonauts Oleg Kononenko and Nikolai Chub were assigned on the Expedition 70 spacewalk to check up on an external ...

Professor Tim Coulson, a leading authority on alien existence, has warned that mankind could be "wiped out" by vile slug-like ...

NASA astronaut Don Pettit captured this stunning long-exposure view of Earth and stars from space at night from the International Space Station. The Earth and a starry night appear to merge into ...

Scientists with a new theory about how Earth’s early continents formed predicted where a superold impact crater should ...

The discovery bolsters the theory that meteorite impacts played an important role in Earth's early geological history ...