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 ...

A recent study accepted for publication in The Astrophysical Journal Letters discusses how astronomers used the Atacama Large Millimeter/submillimeter Array (ALMA) to examine protoplanet HD 169142 b, ...

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 ...

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 ...

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 ...

A new paper suggests that Uranus might still contain evidence of the catastrophic impact that knocked it on to its side and shaped much of its evolutionary history. If it's accurate, there are some ...