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Phys.org / Earth's 40,000-year tilt cycle links Antarctic ice growth to subtropical productivity

Cycles in the growth and decay of Antarctica's ice sheets once shaped marine biological productivity thousands of miles away in the subtropical ocean, according to new research led by scientists at the University of Wisconsin-Madison. ...

Mar 24, 2026
Phys.org / Distant galaxy fades 20-fold in just two decades, challenging how supermassive black holes evolve

An international team led by a researcher at the Chiba Institute of Technology has discovered an extremely rare phenomenon: a galaxy about 10 billion light-years away whose brightness dropped to one-twentieth of its original ...

Mar 25, 2026
Phys.org / Chandra resolves why black holes hit the brakes on growth

Astronomers have an answer for a long-running mystery in astrophysics: why is the growth of supermassive black holes so much lower today than in the past? A study using NASA's Chandra X-ray Observatory and other X-ray telescopes ...

Mar 24, 2026
Phys.org / AI-driven framework uncovers new carbon structures—one thought to be harder than diamond

Through new improvements to existing AI models, researchers in China have created a framework that can methodically identify useful new forms of solid carbon. With their approach, Zhibin Gao and colleagues at Xi'an Jiaotong ...

Mar 28, 2026
Phys.org / Novel measurement confirms a 50-year-old prediction: Dark points are faster than light

A research group from the Technion-Israel Institute of Technology reports in Nature an unprecedented achievement in electron microscopy: the direct measurement of "dark points" within light waves. By doing so, the researchers ...

Mar 26, 2026
Medical Xpress / Natural competition between brain circuits may boost information processing

Over the past decades, neuroscience studies have painted an increasingly detailed picture of the human brain, its organization and how it supports various functions. To plan and execute desired behaviors in changing circumstances, ...

Mar 28, 2026
Phys.org / JWST solves decades-long mystery about why Saturn appears to change its spin

Researchers at Northumbria University have used the most powerful space telescope ever built to answer one of the longest-standing puzzles in planetary science—why does Saturn appear to spin at a different speed depending ...

Mar 27, 2026
Phys.org / Uncovering the evolutionary limits of the COVID-19 virus

A new paper in Genome Biology and Evolution, indicates that while the COVID-19 virus has developed rapidly since 2019, it has done so within limited genetic channels. These genetic limits have remained unchanged. Despite ...

Mar 25, 2026
Phys.org / Lab-based mini-atmosphere reveals how turbulence changes on different scales

With a new lab-based experiment, researchers in the UK and France have recreated the characteristic cascades of energy and angular momentum that underpin key features of Earth's atmosphere. Reporting in Physical Review Letters, ...

Mar 28, 2026
Phys.org / What's for dinner? Tooth enamel reveals what early Mesopotamians really ate

We can learn a great deal about the lives and social structures of civilizations thousands of years ago by studying what they ate. While actual food remains are few and far between, scientists can reconstruct ancient menus ...

Mar 24, 2026
Phys.org / Massive insect body size 300 million years ago may not have been due to high atmospheric oxygen

Three-hundred-million years ago, Earth was very different. The continents had coalesced into Pangea, which was dominated in its equatorial regions by vast coal-swamp forests. With high atmospheric oxygen levels, wildfires ...

Mar 25, 2026
Phys.org / Extreme global climate outcomes are possible even at 2°C warming, study warns

Extreme climate impacts on people and the environment are often associated with very high levels of global warming (3 or 4°C). A new study led by the Helmholtz Centre for Environmental Research (UFZ) shows that this assumption ...

Mar 25, 2026