Scientists discover remnants of Theia, the planet that collided with Earth 4.5 billion years ago
Two continent-sized structures deep inside Earth may contain remnants of Theia, the ancient planet thought to have collided…
Geophysicists solve the mystery of a 75-year-old ‘gravity hole’ in the Indian Ocean
South of India, the ocean surface slumps into one of Earth’s strangest depressions, a gravity hole so deep…