Geochemistry

Isotope Geochemistry Isotope Analysis Mineralogy Chemical Composition Elemental Analysis Isotopes Chemical Analysis Isotopic Analysis Organic Chemistry Meteorites

Teghaza 001 Proven to Be a More Than 4.1‑Billion‑Year‑Old Piece of Mars

New mineral and isotope analyses show liquid water moved into Mars’s deep crust in that era, prompting calls for returned samples to confirm origin.

Earth’s Water Could Have Been Made by Rock and a Hydrogen Atmosphere, Study Shows

Lab Tests and Cassini Reanalysis Boost Odds of Finding Life on Enceladus

Laboratory Tests Suggest Enceladus Ocean Could Support Methane-Producing Microbes

Studies Find Enceladus Ocean Could Support Methane Life and Plumes Can Concentrate Biosignatures

Isotopes Link Bennu, Ryugu and CI Meteorites to Ice‑Line Dust Reservoir

Scientists Measured T. Rex Body Temperature at About 36.3°C Using Its Teeth

Study Measures T. Rex Body Temperature at About 36.3°C

Laboratory Evidence Suggests Iron Hydride Enters Superionic State

Study Identifies Chicxulub Impactor as Rare CO Carbonaceous Chondrite

Chandrayaan‑3 Soil Matches First Known Lunar Meteorite, Study Finds

Scientists Find Iron‑Rich Garnet in Martian Meteorite

Scientists Find First Garnet in Martian Meteorite

Study Finds Earth’s Phosphorus and Nitrogen Came From the Inner Solar System

Stromatolites Found in South Korean Impact Crater Point to Post‑Impact ‘Oxygen Oases’

Mantle Gases Detected in Zambia’s Kafue Rift Point to Early-Stage Rifting

Study Finds Early Life Used Molybdenum Billions of Years Before Oxygen Rise

Earth Formed Entirely from Inner Solar System Material, Study Finds

IIT Kharagpur–PRL Pinpoint Two-Stage Origin of the Moon’s High‑Titanium Basalts

Hayabusa2 Ryugu Samples Contain All Five DNA and RNA Bases