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Cytokines are signaling proteins that stimulate inflammation and other immune responses. ‘Cytokine storm,’ or cytokine release syndrome, plays a critical...

Comets spend most of their lives at large distances from any star, during which time their interior compositions remain relatively unaltered. Cometary...

Genetic variability in the human immune system may affect susceptibility to and severity of infection by SARS-CoV-2, a novel coronavirus which causes the...

At the center of the Milky Way lurks Sagittarius A*, a supermassive black hole that is four million times the mass of the Sun. Located 26,000 light-years...

A little known yet powerful function of overactive white blood cells known as neutrophils — the ability to form neutrophil extracellular traps (NETs)...

Astronomers using data from NASA’s Kepler Space Telescope have discovered an Earth-sized planet in the habitable zone of a low-mass star called Kepler-1649. An...

An international team of astronomers has detected the brightest and most energetic known supernova: SN 2016aps. An artist’s illustration of a supernova....

Astronomers using NASA’s Transiting Exoplanet Survey Satellite (TESS) have discovered a planetary system of two giant planets — a Neptune-sized...

Archaeologists working at the Neanderthal site of Abri du Maras in France have discovered a 46,000-year-old cord fragment — the oldest known direct...

Brown dwarfs are cool, dim objects that have a size between that of a gas giant, such as Jupiter or Saturn, and that of a Sun-like star. Sometimes called...

Space-based X-ray observations of hundreds of galaxy clusters suggest that the Universe may be different depending on which way astronomers look. The study...

An orally bioavailable prodrug called EIDD-2801 (β-D-N4-hydroxycytidine-5’-isopropyl ester) has broad spectrum antiviral activity against SARS-CoV-2,...

A University of Bern-led study shows that, starting at around 10,850 years ago, inhabitants of the Llanos de Moxos region in northern Bolivia began to...

Astronomers using the 8.2-m Subaru Telescope report the first unambiguous detection of a relativistic jet — a beam of charged particles that travels...

In new laboratory experiments conducted by researchers from the University of Maryland, the University of Hong Kong and Harvard School of Public Health,...

Healthcare professionals on the COVID-19 frontline are spending many hours a day wearing face masks, and many members of the general public are doing the...

A team of scientists from the Biomedicine Discovery Institute at Monash University and the Peter Doherty Institute of Infection and Immunity (Doherty Institute)...

Astronomers using the CARMENES spectrograph at Calar Alto Observatory in Spain have discovered a super-Earth exoplanet orbiting an M-dwarf star in the...

Paleontologists have announced the discovery of a new genus and species of tapejarid pterosaur from Errachidia Province of Morocco. An artist’s impression...