The evolution of land plants took place about 430 million years ago (Silurian period), when North America and Europe were conjoined in a landmass called...
Planetary scientists from the ETH Zürich and elsewhere have determined palladium-silver (Pd-Ag) and platinum (Pt) isotope compositions of 13 iron meteorites...
Each year, about 2 kg of helium-3, a rare isotope of helium gas, escapes from Earth’s interior, mostly along the mid-ocean ridge system. Helium-3 is...
During solar storms, the Sun expels large amounts of energetic particles that can react with the atmosphere of Earth and produce cosmogenic isotopes such...
Tasmanian devils (Sarcophilus harrisii) — one of the few mammalian species to have developed physiological and behavioral specializations for scavenging...
Magnesium-18 (18Mg) is the lightest isotope of magnesium, which is element 12 on the periodic table.
Magnesium-18. Image credit: S.M. Wang / Fudan University...
The Vikings (or Norse) were the first Europeans to cross the Atlantic, confirms a new study published in the journal Nature.
Kuitems et al. provide evidence...
Around 4.567 billion years ago, our Solar System harbored a gap within the protoplanetary disk, near the location where the main asteroid belt resides...
An international team of scientists has analyzed a diverse set of presolar grains with the goal of realizing their true stellar origins.
Palmerini et al....
New research published in the journal Scientific Reports provides the first direct evidence of omnivory in an ancient sloth species.
Reconstruction of...
Physicists at the Heavy Ion Research Facility in China have observed the lightest uranium isotope to date, uranium-214 (214U), and precisely measured the...
An analysis of biomarkers and their stable isotopic compositions from the Bristol Channel Basin at St. Audrie’s Bay and Lilstock, United Kingdom, has...
Using a new mass-separator of radioactive isotopes, called the KEK Isotope Separation System (KISS), which is developed and operated by the Wako Nuclear...
In an experiment performed at Lawrence Berkeley National Laboratory’s 88-inch cyclotron, a team of physicists successfully created a new isotope of the...
Engraved, painted and embellished with ivory, precious metals and faience fittings, decorated ostrich eggs were traded and exchanged as luxury items around...
Astronomers using the Atacama Large Millimeter/submillimeter Array (ALMA) and the Northern Extended Millimeter Array (NOEMA) have made the first definitive...
