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 ...

Deep inside Earth, far below the crust and mantle we learn about in school, two colossal structures loom above the core like ...

Astronomers using the European Southern Observatory’s (ESO) Very Large Telescope (VLT) have obtained what is likely the first direct observation of a forming planet still embedded in a thick disk of ...

This mission follows NASA’s Psyche spacecraft on its journey to a rare metal-rich asteroid, believed to be the exposed core ...

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 ...

Our solar system is much like a trail of microcosmic breadcrumbs: Follow the molecular bits as far back as they go, and you'll learn a thing or two about where many of our planets and other celestial ...

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 ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. More than a million miles away from Earth, Vesta sits cold and dark ...

According to the results of a new study, Uranus may have survived a dramatic collision with a protoplanet twice or even three times the size of Earth, roughly four billion years ago. The cataclysmic ...

Why is Christian Science in our name? Our name is about honesty. The Monitor is owned by The Christian Science Church, and we’ve always been transparent about that. The Church publishes the Monitor ...