Looking out of the Fendouzhe submersible, more than nine kilometres below the ocean surface, Mengran Du knew she was seeing ...

"I will never get over Steve Irwin's death. He was a significant part of my teenage years. He got me interested in more ...

A Mars-size object called Theia smashed into Earth, and the debris coalesced into the moon. Now scientists believe they may have identified pieces of Theia at the bottom of Earth’s mantle. A new study ...