Early Inner Solar System was Very Chaotic, Research Suggests

Planetary scientists from the ETH Zürich and elsewhere have determined palladium-silver (Pd-Ag) and platinum (Pt) isotope compositions of 13 iron meteorites that formed early in the history of our Solar System.

Giant impacts, planet formation and the search for life elsewhere

The Early Solar System was Messier and More Violent Than Previously Believed - Universe Today

New model for asteroid belt formation is described

Planet Nine search turns up 'extreme objects

The Solar System The Institute for Creation Research

Cataclysm in the early solar system

Dead Star Caught Ripping Up Planetary System

Planet - Wikipedia

The Early Solar System was Messier and More Violent Than Previously Believed - Universe Today

Could a Rogue Planet Destroy the Earth?