By analyzing tiny lunar zircon crystals gathered by Apollo 17 astronauts in 1972, planetary scientists recalculated the age of the Moon. Although previous...
The oxygen-28 (28O) nucleus is of particular interest as, with the Z = 8 (protons) and N = 20 (neutrons) magic numbers, it is expected in the standard...
Scientists have determined a precise lead isotopic age of the andesitic achondrite meteorite Erg Chech 002. Their result, combined with published aluminum-26-magnesium-26...
The detection of the cosmogenic isotope aluminum-26; the concentrations of nickel, cobalt, germanium and gallium; and the presence of two minerals called...
Harvard University’s Professor Avi Loeb and colleagues have discovered at least 50 tiny spherical iron fragments near the fireball path of the first...
Otodus megalodon was a gigantic megatooth shark that lived in the world’s oceans from 23 to 3.6 million years ago. It could grow to the enormous size...
In new research, scientists examined chemical properties locked inside tooth enamel of two Middle Paleolithic Neanderthals and a Magdalenian human from...
In new research, scientists from the University of Cambridge and elsewhere reconstructed changes in summer and winter rainfall from trace elements and...
The dinosaur-bird transition is among the most fascinating events in evolutionary history, but several aspects such as changes in reproductive system,...
An analysis of chromium isotopes in Martian meteorites suggests that approximately 4.5 billion years ago, there was enough water for the entire planet...
Paleoanthropologists have analyzed zinc, strontium, carbon, and oxygen isotope and trace element ratios in a fossilized Neanderthal tooth as well as animal...
Paleontologists have described a new species of the extinct otter genus Enhydriodon from fossilized teeth and bones found in the Lower Omo Valley in Ethiopia.
Reconstruction...
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...
