Science ❯ Chemistry

Elements

Rare Earth Elements Noble Gases Carbon Hydrogen Lithium Heavy Metals Tungsten Iron Lead Oxygen Metalloids Metals Super-heavy Elements Sulfur Gallium Odd-Z Elements Chlorine Boron Bromine Ruthenium Phosphorus Heavy Elements Phosphate Plutonium Periodic Table Silicon Star Composition Magnesium Transition Metals Radioactive Elements Lanthanoids Actinium Seaborgium Titanium Environmental Impact Nickel Nitrogen Toxicology Hydrogen and Oxygen

Helium Crunch From Hormuz Standoff Threatens AI Chipmaking

Supplier rationing is forcing buyers to seek costlier stopgaps.

Helium Squeeze Deepens After Iran’s Strikes on Qatar Hit Global Supply

Study Ties Planetary Habitability to a Narrow Oxygen Window in Core Formation

New Experiments Suggest Earth’s Core Holds Nine to 45 Oceans’ Worth of Hydrogen

Study Finds Planetary Oxygen at Birth Controls Life-Critical Phosphorus and Nitrogen

FDA Announces Recall of Lucky Foods Cinnamon Over Elevated Lead Risk

XRISM Pinpoints Chlorine and Potassium Surplus in Cassiopeia A, Challenging Supernova Models

Astronomers Identify Ultra-Stripped Supernova, Propose New ‘Type Ien’