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This image of comet C/2014 UN271 (Bernardinelli-Bernstein) was taken by the Las Cumbres Observatory 1-m telescope at Sutherland, South Africa, on June 22, 2021; the diffuse cloud is the comet’s coma. Image credit: LOOK project, Las Cumbres Observatory.

Astronomers Spot First Activity on Comet Bernardinelli-Bernstein

Jul 16, 2021 by News Staff

Astronomers with Las Cumbres Observatory have captured a new image of the recently-discovered giant comet C/2014 UN271 (Bernardinelli-Bernstein). This...

Hyperglycemia-induced trained immunity may explain why targeting elevated glucose is ineffective in reducing macrovascular risk in diabetes and suggests new targets for disease prevention and therapy. Image credit: Steve Buissinne.

Study: Elevated Levels of Glucose in Blood Reprogram Stem Cells, Increase Atherosclerosis Risk

Jul 16, 2021 by News Staff

A team of scientists led by University of Oxford’s Professor Robin Choudhury has found that hyperglycemia alters stem cells in the bone marrow that go...

This artist’s reconstruction shows the likely position of the fossil molars in the skull of Caribeomys merzeraudi. Image credit: Jorge Velez-Juarbe.

Distant Relative of North American Rodents Lived in Puerto Rico 29 Million Years Ago

Jul 15, 2021 by News Staff

A new genus and species of extinct rodent has been identified from two fossilized teeth found in Puerto Rico. This artist’s reconstruction shows the...

The section of the First Temple-period Jerusalem’s eastern wall. Image credit: Israel Antiquities Authority.

Archaeologists Find Section of First Temple-Period Jerusalem’s City Wall

Jul 15, 2021 by News Staff

Archaeologists have uncovered a section of the ancient eastern wall dating to the First Temple period in the City of David National Park, Jerusalem, Israel. The...

Candida albicans. Image credit: Stephanie Rossow / Antibiotic Resistance Coordination and Strategy Unit, CDC.

Potentially Pathogenic Fungi Thrive in the Gut, Influence Health and Disease: Study

Jul 15, 2021 by News Staff

A new study in mice shows that normally, the immune system keeps potentially pathogenic fungi such as Candida albicans in check, targeting them when they...

The 3.42-billion-year-old filamentous microfossils from the Barberton Greenstone Belt in South Africa. Image credit: Cavalazzi et al., doi: 10.1126/sciadv.abf3963.

3.42-Billion-Year-Old Filamentous Microfossils Found in South Africa

Jul 15, 2021 by Enrico de Lazaro

Paleontologists have discovered the exceptionally well-preserved, 3.42-billion-year-old filamentous microfossils in a paleo-subseafloor hydrothermal vein...

Antibiotic exposure early in life could alter human brain development in areas responsible for cognitive and emotional functions. Image credit: Arek Socha.

Early-Life Penicillin Could Lead to Brain Disorders, New Study Suggests

Jul 15, 2021 by News Staff

Penicillin in early life changes microbiome and gene expression, which allows cells to respond to its changing environment, in key areas of the developing...

NASA’s Parker Solar Probe approaching the Sun. Image credit: NASA’s Scientific Visualization Studio.

Parker Solar Probe Reveals New Insights on Electric Field of the Sun

Jul 14, 2021 by News Staff

Using data from NASA’s Parker Solar Probe, a team of solar physicists calculated the distribution of electrons within the electric field of the Sun;...

The 3,100-year-old inscription on a pottery vessel found at the site of Khirbet ar-Ra’i in Israel. Image credit: Dafna Gazit, Israel Antiquities Authority.

Israeli Archaeologists Find 3,100-Year-Old Alphabetic Inscription

Jul 14, 2021 by News Staff

The newly-discovered inscription, which was written in ink on a jug, bears the name ‘Jerubbaal’ in alphabetic script and dates back to 1,100 BCE, the...

Rapanui people. Image credit: © Santiago Caruso.

Pre-Contact Easter Island Society Didn’t Experience Ecologically-Induced Collapse, Study Suggests

Jul 14, 2021 by News Staff

Easter Island (Rapa Nui in the native language), a small volcanic island in southeastern Polynesia, has long been the focus of debate regarding the impact...

An artist’s impression of the potential lava world TOI-1807b. Image credit: NASA’s Goddard Space Flight Center / Chris Smith, KBRwyle.

TESS Discovers Planetary Systems around Two Young Co-Moving Stars

Jul 14, 2021 by News Staff

Astronomers using NASA’s Transiting Exoplanet Survey Satellite (TESS) have discovered four exoplanets orbiting TOI-2076 and TOI-1807, a pair of related...

Gelabert et al. retrieved human and mammalian nuclear and mitochondrial environmental shotgun genomes from a 25,000-year-old sediment sample from Satsurblia Cave in Georgia. Image credit: Anna Belfer-Cohen.

25,000-Year-Old Human and Animal DNA Found in Georgian Cave

Jul 14, 2021 by Enrico de Lazaro

An international team of scientists has retrieved and analyzed nuclear and mitochondrial environmental DNA of humans, wolfs (Canis lupus), and bisons (Bison...

An artist’s impression of HD 265435, a binary system located approximately 1,500 light-years away in the constellation of Gemini. Image credit: Mark Garlick / University of Warwick.

HD 265435 Will Explode as Type Ia Supernova in 70 Million Years, Astronomers Say

Jul 13, 2021 by News Staff

HD 265435 is a binary system with an orbital period of around 100 min that consists of a white dwarf and a hot subdwarf star. An artist’s impression...

The surface of Europa looms large in this newly-reprocessed color view; image scale is 1.6 km per pixel; north on Europa is at right. Image credit: NASA / JPL-Caltech / SETI Institute.

Small Impacts Mechanically Churn Uppermost Surface of Jupiter’s Moon Europa, Researchers Say

Jul 13, 2021 by Natali Anderson

Planetary scientists are studying the cumulative effects of small impacts on the surface of Jupiter’s moon Europa as they prepare to explore the icy...

Study: Domestication Changed Not Just How Dogs Look, But Their Minds As Well

Jul 13, 2021 by News Staff

A new study led by a Duke University researcher supports the idea that domestication enhanced the cooperative-communicative abilities of dogs as selection...

Artist’s impression of a volcano erupting on Venus. Image credit: ESA / AOES Medialab.

Phosphine in Atmosphere of Venus Points to Explosive Volcanic Activity

Jul 13, 2021 by News Staff

In 2020, planetary scientists detected small amounts of the biosignature gas phosphine (PH3) in the atmosphere of Venus using the James Clerk Maxwell Telescope...

The Romanesco cauliflower. Image credit: Marc Pascual.

New Study Reveals How Romanesco Cauliflowers Develop ‘Fractal’ Shape

Jul 13, 2021 by News Staff

Cauliflowers present an unusual organ arrangement with a multitude of spirals nested over a wide range of scales. How such a fractal, self-similar organization...

Siraj & Loeb explore the possibility that accretion flares resulting from the tidal disruption of small Oort Cloud bodies by a putative primordial black hole could power an observable optical signal that could be searched for with the upcoming Vera C. Rubin Observatory Legacy Survey of Space and Time. Image credit: Sci-News.com / Zdeněk Bardon / ESO.

Theoretical Physicist Solves How Universe is Reflected near Black Hole

Jul 12, 2021 by News Staff

Black holes are famously compact objects where the paths of light are drastically bent by the curvature of space-time. While light itself cannot escape...

An artist’s impression of Portellsaurus sosbaynati. Image credit: Santos-Cubedo et al., doi: 10.1371/journal.pone.0253599.

New Dinosaur Species Identified in Spain

Jul 12, 2021 by Enrico de Lazaro

A new genus and species of styracosternan hadrosaurid dinosaur has been identified from a fossilized jawbone found in the Spanish province of Castellón. An...