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Phys.org / Astronomers identify one of the universe's rarest black hole events

A team of astronomers at the University of North Carolina at Chapel Hill has observed an extremely rare "wandering" black hole located tens of thousands of light-years from the center of its galaxy. This finding could reshape ...

Jul 27, 2026
Science X / When darkness fell during the total solar eclipse, zoo animals responded in wildly different ways

Imagine a bright, sunny day suddenly turning dark as a solar eclipse sweeps across the sky. Even though humans have watched and recorded eclipses for thousands of years and now understand the science behind them, experiencing ...

Jul 27, 2026
Medical Xpress / Stockpiled Ebola vaccines trigger antibody response against Bundibugyo virus in lab tests

A highly contagious Ebola virus species, Bundibugyo virus (BDBV), has driven several outbreaks since 2007, including the ongoing outbreak in the Democratic Republic of Congo and Uganda in 2026. Bundibugyo virus causes severe ...

Jul 27, 2026
Phys.org / A quantum heat engine that simultaneously provides work and refrigeration

The laws of thermodynamics state that heat naturally flows from hotter systems or regions to colder systems or regions until a state of thermal equilibrium is reached. This simple principle underpins the operation of numerous ...

Jul 26, 2026
Phys.org / Hubble shows star formation in Andromeda galaxy is winding down

A new study using data from NASA's Hubble Space Telescope finds that star formation in the nearby Andromeda galaxy has undergone a 500-million-year decline, with an even steeper drop in the last 40 million years. Andromeda, ...

Jul 27, 2026
Medical Xpress / Silver diamine fluoride treatment could halt cavities without shots, drilling or sedation

Every year, untreated tooth decay sends thousands of young U.S. children to emergency departments for dental problems doctors can't treat. Many eventually undergo surgery under general anesthesia, while others endure pain ...

Jul 27, 2026
Phys.org / Kids who own cellphones have poorer reading comprehension scores than those who don't, researchers find

School cellphone bans might seem like a good way to improve learning for elementary school children, but new research published in Behavioral Sciences shows that simply owning a cellphone correlates with worse reading comprehension. ...

Jul 27, 2026
Phys.org / How invasive rats rewire coral reef food webs to create winners and losers

Invasive rats on tropical islands are creating winners and losers among the tiny underwater animals near the bottom of the food chain that inhabit surrounding coral reefs. Scientists say the changes to these marine ecosystems ...

Jul 27, 2026
Medical Xpress / Working memory rapidly updates its priorities after distractions, study finds

When humans tackle many everyday tasks, ranging from driving to completing household chores and work assignments, they rely heavily on working memory. This is the brain's ability to temporarily store and manipulate important ...

Jul 26, 2026
Phys.org / Water's local asymmetry drives proton hopping between molecules, simulations reveal

Complex simulations—the most intricate of their kind to date—carried out by an international research team led by scientists at Heidelberg University's Institute for Physical Chemistry, have revealed how water governs the ...

Jul 27, 2026
Medical Xpress / Engineered gut bacteria show promise against pancreatic cancer

Cancer immunotherapies have transformed treatment for many cancers, but pancreatic cancer remains especially difficult to treat. One major reason is that pancreatic tumors often create a "cold" tumor microenvironment, where ...

Jul 27, 2026
Phys.org / Thin films 'dance' with substrates that are no longer inert, opening path toward 3D chips

Many of today's electronic devices—from the semiconductors in your cell phone to the photovoltaic cells in your solar panels—are built on thin-film substrates. The thin film is an electrically conductive material, while the ...

Jul 27, 2026