Blobs near Earth’s core are remnants of collision with another planet, study says

Strange blobs in Earth’s mantle are relics of a massive collision | Impact with a body called Theia 4.5 billion years ago left remnants deep inside Earth — and also created the Moon.

Remains of planet that formed the Moon may be hiding near Earth’s core

NASA reveals ‘ghostly cosmic hand’ 16,000 light-years from Earth