Theory and observations point to the occurrence of magma ponds or oceans in the early
evolution of terrestrial planets and in many early-accreting planetesimals. The apparent …

Isotopic variations usually follow mass-dependent fractionation, meaning that the relative
variations in isotopic ratios scale with the difference in mass of the isotopes involved (eg …

The 182Hf–182W systematics of meteoritic and planetary samples provide firm constraints
on the chronology of the accretion and earliest evolution of asteroids and terrestrial planets …

Understanding core formation in meteorite parent bodies is critical for constraining the
fundamental processes of protoplanet accretion and differentiation within the solar …

We address the first several hundred million years of Earth's history. The Moon-forming
impact left Earth enveloped in a hot silicate atmosphere that cooled and condensed over∼ …

The early evolution of the solar nebula involved substantial transport of mass, resulting in
mixing and homogenization of isotopically diverse materials that were contributed to the …

We review the crystallization of the iron meteorite chemical groups, the thermal history of the
irons as revealed by the metallographic cooling rates, the ages of the iron meteorites and …

Some years ago, the consensus was that asteroid (16) Psyche was almost entirely metal.
New data on density, radar properties, and spectral signatures indicate that the asteroid is …

Chondritic meteorites are unmelted and variably metamorphosed aggregates of the earliest
solids of the solar system. The variety of metamorphic textures in chondrites motivated the …

Earth's origins are challenging to elucidate, given the lack of surviving terrestrial geology
from the first 500 Myr of the Solar System. In this Review, we discuss breakthroughs in …