There is extensive geologic evidence of ancient volcanic activity on the Moon, but it is unclear how long that volcanism persisted. Magma fountains produce...
The so-called Chicxulub impactor was a carbonaceous-type asteroid that had formed beyond the orbit of Jupiter, according to a new paper published in the...
The NASA/ESA/CSA James Webb Space Telescope has provided a stunning new view of the Crab Nebula, including the highest-quality infrared data yet available...
About 2.5 billion years ago, free oxygen first started to accumulate to meaningful levels in Earth’s atmosphere, setting the stage for the rise of complex...
Promethium is extremely rare, with only about 0.5 kg naturally occurring in Earth’s crust at any given time.
Conceptual art shows the rare earth element...
Physicists with the Potassium Decay (KDK) Collaboration have made the first direct observations of a very rare but critical decay path of potassium-40...
Sulfur and chlorine isotopes in Io’s atmosphere indicate that it has been volcanically active for the entire 4.57 billion-year history of the Solar System.
This...
Tantalum-180m (180mTa), a rare isotope of tantalum whose decay has never been observed, is expected to have a lifetime approximately 1 million times longer...
Archaeologists have dated an assemblage of ancient stone tools excavated from the archaeological site of Korolevo on the Tysa River in western Ukraine...
A team of physicists in China has synthesized two new isotopes: osmium-160 and tungsten-156.
Position of the new isotopes, osmium-160 and tungsten-156,...
Physicists using the Advanced Rare Isotope Separator (ARIS) at the Facility for Rare Isotope Beams (FRIB) have produced, separated, and identified five...
The icy dwarf planets Eris and Makemake have surfaces bearing methane ice of unknown origin. According to an analysis of data from the NASA/ESA/CSA James...
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...
