In the lower atmosphere of Earth, oxygen contains a higher fraction of the heavy isotope 18O than ocean water does. This enrichment is a signature of biological...
The new model provides a high-resolution understanding of how today’s geophysical landscapes were created and how millions of tons of sediment have flowed...
Previous research estimated that it took hundreds of million years for early Earth’s magma ocean to solidify, but new research narrows these large uncertainties...
Stunning radar images of the near-Earth asteroid 2011 AG5 were obtained from January 29 to February 4, 2022, by the powerful 70-m (230-foot) Goldstone...
The newly-detected molten rock layer is located about 150 km (93 miles) from the surface of our planet and is part of the asthenosphere, which sits under...
A small near-Earth asteroid designated 2023 BU made its closest approach on January 26, 2023 at 7:29 p.m. EST (4:29 p.m. PST, or January 27, 2023 at 00:29...
The rotation of the Earth’s inner core may have recently paused and could be reversing, according to new research by geoscientists from Peking University.
Yang...
In new research, paleontologists analyzed abundances of sunscreen-like chemicals in 800 fossil pollen grains from 250-million-year-old rocks in Tibet.
The...
The El Ali meteorite, a 15.2-ton iron meteorite found in 2020 near the tiny town of El Ali in Somalia, contains at least two new minerals: elaliite and...
NASA’s uncrewed Orion spacecraft successfully splashed down in the Pacific Ocean off Mexico’s Baja California at 12:40 p.m. ET on December 10, 2022....
About 66 million years ago, a 10-km-wide asteroid crashed into Earth near the site of the small town of Chicxulub in what is now Mexico. The impact unleashed...
Using images obtained by two orbiting spacecraft, NASA’s Mars Reconnaissance Orbiter and ESA’s Mars Express, planetary researchers analyzed textured...
Stromatolites are solid, laminar structures reflecting complex interplays between microbial communities and their environment.
Hand sample of Dresser Formation...
The sample of material delivered to our planet from the near-Earth asteroid Ryugu contained a mixture of extraterrestrial (helium and neon) and terrestrial...
Astronomers using the Dark Energy Camera (DECam) on the Víctor M. Blanco 4-m telescope at Cerro Tololo Inter-American Observatory have discovered two...
The annual ozone hole over the South Pole reached an average area of 23.2 million km2 (8.9 million square miles) between September 7 and October 13, 2022,...
