Recent studies, detailed in publications 'Nature', have identified intriguing anomalies known as large low-velocity provinces within Earth's lower mantle. These structures are theorized to contain ...

Scientists think a planet may have crashed into Earth 4.5 billion years ago, creating the moon. This alien planet, Theia, was thought to have completely disappeared in the collision. A new study ...

There may be chunks of an alien planet hiding within Earth. Scientists have long theorized that Earth collided with a planet called Theia 4.5 billion years ago, creating the Moon that we now see every ...

The moon is thought to be the aftermath of a giant impact. According to a new theory, there were two giant impacts in a row, separated by about one million years, involving a Mars-sized 'Theia' and ...

Astronomers have long suspected that the Moon formed roughly 4.5 billion years ago when a hefty planet-in-the-making called Theia collided with a young Earth. Now, researchers have found evidence that ...

PIECES of a protoplanet may still be inside of the Earth’s mantle after a collision that occurred 4.5 billion years ago, scientists claim in a new theory. The protoplanet is dubbed Theia and is ...

Researchers have long suspected that the Moon was formed after a Mars-sized protoplanet, dubbed Theia, smashed into the primordial Earth some 4.5 billion years ago. The literally Earth-shattering ...

A new study of metal ore deep inside the moon is offering fresh evidence that Earth's natural satellite was formed by an ancient planet crashing into Earth long ago. This long-theorized interplanetary ...

The mystery of the Earth and Moon’s similarity Early models of the Moon’s formation predicted that the Moon should mostly consist of Theia’s material. But scientists noticed a puzzle: Earth and the ...

An impact with a protoplanet called Theia 4.5 billion years ago seems to have left remnants deep inside Earth For decades, scientists have been baffled by two large, mysterious blobs in Earth’s mantle ...

What sounds like the plot of a sci-fi movie may actually have revealed remnants of the planet that collided with Earth billions of years ago to produce the Moon. Two continent-sized clumps of rock ...

Gear-obsessed editors choose every product we review. We may earn commission if you buy from a link. Why Trust Us? Deep below the Earth’s crust, along the mantle-core boundary, are dense geological ...