The remnants of a protoplanet that slammed into Earth and created the moon may still be lurking deep in our planet's mantle. New research suggests that this impactor, which hit a just-formed Earth 4.5 ...

PASADENA, Calif. — Continent-sized remnants of another world could be found deep inside the Earth, according to a new study coming out of California. Researchers believe the remnants could be pieces ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. A protoplanet slammed into the Earth about 4.5 billion years ago, knocking loose a chunk of rock ...

Around 3.8 billion years ago, an asteroid more than 150 miles across, roughly equal to the length of New Jersey, slammed into the Moon and created the Imbrium Basin — the right eye of the fabled Man ...

Debris from the impact between Earth and the protoplanet eventually formed the moon. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. The newborn ...