The role of midsized phytoplankton in Earth"s biological pump
Every spring, phytoplankton blooms flourish across the ocean. The single-celled, photosynthetic organisms pull carbon dioxide from the atmosphere and produce oxygen—part of a carbon sequestration system known as the biological pump......»»
Hubble captures stellar nurseries in majestic spiral galaxy IC 1954
This image from the NASA/ESA Hubble Space Telescope features the spiral galaxy IC 1954, located 45 million light-years from Earth in the constellation Horologium. It sports a glowing bar in its core, majestically winding spiral arms, and clouds of da.....»»
Dungeon-mastering emotions: D&D meets group therapy
Research is ongoing, but therapists are happy with early results. Enlarge (credit: Aurich Lawson | Getty Images) This year marks the 50th anniversary of the tabletop role-playing game (TTRPG) Dungeons & Dragons (D&D). A.....»»
Engineers investigate another malfunction on SpaceX’s Falcon 9 rocket
SpaceX probably won't be grounded for long, but this could affect the launch of Europa Clipper. Enlarge / The Merlin vacuum engine on SpaceX's Falcon 9 rocket fired for six minutes to place the Crew-9 mission into low-Earth orbit.....»»
New assessment suggests Anthropocene started in the 1950s
A team of Earth scientists from the Center for Marine Environmental Studies, the University of Tokyo, The Australian National University, Matsuyama University, Kyoto University, and Shimane University, has found, via a new assessment, that the 1950s.....»»
Ants might be pushing montane birds higher up, study finds
Mountains are home to 85% of the world's amphibian, bird, and mammalian species, despite covering only 25% of the Earth's surface. This makes them a highly diverse ecosystem and a key focus for conservation efforts......»»
Watch out-of-this-world footage from the recent Polaris Dawn mission
A camera attached to the Polaris Dawn Crew Dragon spacecraft recorded some remarkable footage from 450 miles above Earth......»»
Earth will have a temporary "mini moon" for two months
Earth's moon will soon have some company—a "mini moon.".....»»
SpaceX launches mission to bring Starliner astronauts back to Earth
SpaceX is bringing back propulsive landings with its Dragon capsule, but only in emergencies. Enlarge / SpaceX's Crew Dragon spacecraft climbs away from Cape Canaveral Space Force Station, Florida, on Saturday atop a Falcon 9 roc.....»»
SpaceX set to launch mission to bring Starliner astronauts back to Earth
SpaceX is bringing back propulsive landings with its Dragon capsule, but only in emergencies. Enlarge / SpaceX's Crew Dragon spacecraft is ready for launch atop a Falcon 9 rocket from Space Launch Complex-40 at Cape Canaveral Spa.....»»
Geologists discover mysterious subduction zone beneath Pacific, reshaping understanding of Earth"s interior
University of Maryland scientists uncovered evidence of an ancient seafloor that sank deep into Earth during the age of dinosaurs, challenging existing theories about Earth's interior structure. Located in the East Pacific Rise (a tectonic plate boun.....»»
Rebel Ridge to DC? Netflix star Aaron Pierre eyed for superhero series Lanterns
Who will play John Stewart alongside Kyle Chandler's Hal Jordan in Lanterns? One Rebel Ridge star is in talks for the superhero role......»»
How to spot the ‘comet of the century’ next month
Comet Tsuchinshan-Atlas is passing by the sun and will soon pass by Earth, and could be a spectacularly bright object by mid-October......»»
Ryugu samples call into question previous ideas about the formation of carbon-rich asteroids
Asteroid Ryugu possibly did not travel as far from its place of origin to its current near-Earth orbit as previously assumed. New research published in the journal Science Advances suggests that Ryugu was formed near Jupiter......»»
Exploring the role of hydrogen sulfide in the expression of iron uptake genes in E. coli
Antibiotic resistance and oxidative stress response are important biological mechanisms that help bacteria thrive, especially pathogenic bacteria like Escherichia coli. Hydrogen sulfide (H2S), a chemical messenger molecule, regulates several intracel.....»»
How a protein keeps gene clusters quiet in the cell nucleolus
In a discovery that sheds light on the complex mechanisms of gene regulation, scientists at EPFL have uncovered a critical role for the protein ZNF274 in keeping certain gene clusters turned off by anchoring them to the cell nucleolus. The study is p.....»»
The biological marvels of the seabed are being mined to create commercial products—here are the risks
Thousands of genes from deep-sea marine life are being used to create new commercial products ranging from pharmaceuticals to cosmetics. Genes are segments of DNA that provide instructions for making other molecules that are essential for the structu.....»»
New approach reveals details about aerosol properties from hard-to-sample areas in the atmosphere
The spatial distribution of ambient aerosol particles plays a huge role in aerosol–radiation–cloud interactions; however, not enough sampling has been done from the atmospheric boundary layer and lower free troposphere. This leaves large gaps in.....»»
NASA confirms space station cracking a “highest” risk and consequence problem
NASA and Roscosmos have not agreed on the point at which the leak rate is untenable. Enlarge / A high-resolution commercial Earth-imaging satellite owned by Maxar captured this view of the International Space Station on June 7 wi.....»»
Marine dust identifies 1.5 million year Oldest Ice near South America
Earth's climate has experienced major shifts over its billions of years of history, including numerous periods where ice proliferated across the planet. Today, ice cores can be a valuable resource for understanding these periods of Earth's history as.....»»
Study uncovers first evidence of a volcanic spatter cone on Mars
While working under Erika Rader, an assistant professor in the Department of Earth and Spatial Sciences at University of Idaho, a postdoctoral researcher identified a volcanic vent on Mars as a potential spatter cone and compared it to a spatter cone.....»»