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Astronomy Oct 20, 2026

'Terror of kings': Why the 1066 appearance of Halley's Comet terrified the medieval world

A sequence on the Bayeux Tapestry shows King Harold alongside a crowd gazing at the sky, beneath the embroidered caption Isti mirant stella ("those people marvel at the star"). Above Harold sits Halley's Comet, with ghostlike ...

Earth Sciences Oct 20, 2026

From seafloor depths to fishing activity, free software brings ocean data together

For scientists studying the ocean, finding the right data can sometimes be as challenging as figuring out what to do with it. Want to know seafloor depth, the location of underwater mountains or sea surface temperatures? ...

Bio & Medicine Oct 20, 2026

Supercomputer reveals how size could shape the future of nanomedicine

Scientists have long been interested in cellular nanodiscs, tiny particles made from natural cell membranes that mimic many of the functions of living cells. While previous studies demonstrated the therapeutic potential of ...

Astronomy Oct 20, 2026

Aurora supercomputer powers two of the largest cosmological simulations to date

Researchers at the U.S. Department of Energy's (DOE) Argonne National Laboratory have completed two of the largest cosmological simulations ever performed. Each simulation modeled the evolution of 13.4 trillion dark matter ...

Analytical Chemistry Oct 20, 2026

Fluorescent reaction maps reveal how catalyst activity changes with operating conditions

Catalysts spur chemical reactions used across industries, from producing fuels and medicines to manufacturing chemicals and treating pollutants. Improving their performance requires understanding where and how reactions happen ...

Environment Oct 20, 2026

PermitAI team delivers a one-stop shop for federal permitting data

The PermitAI team at the Department of Energy's Pacific Northwest National Laboratory has changed how federal agencies search past environmental permitting decisions. Now it is taking that access one step further with two ...

Space Exploration Oct 20, 2026

NASA experimental Mars helicopter blade designs target longer flights

NASA researchers are developing the future of flight on Mars, laying the groundwork for helicopters with the ability to fly higher and farther while conducting science on the Red Planet. Using high-fidelity computer simulations ...

Biotechnology Oct 20, 2026

'Raman barcodes' distinguish 20 SARS-CoV-2 variants by their RNA architecture

A research team led by distinguished professor Giuseppe Pezzotti at the Biomedical Engineering Center, Kansai Medical University (Japan), has demonstrated that differences in the molecular structures of viral RNA can be captured ...

Astronomy Oct 20, 2026

Hot plasma may explain how rapidly feeding black holes launch powerful jets

Some supermassive black holes rapidly consume surrounding matter while simultaneously firing powerful streams of plasma into space at nearly the speed of light. However, this creates a physical puzzle: rapid feeding is expected ...

Biotechnology Oct 20, 2026

Scientists discover a promising blood sugar–regulating compound in red alga

It is a dietary staple found in sushi, rice wraps and ramen toppings. Commonly known as nori in Japan and gim in Korea, red seaweed is especially popular across Asia. Yet, despite its widespread consumption, many of its nutritional ...

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