Astronomy

Potentially distinct structure in Kuiper belt discovered with help of clustering algorithm

A vast region of our solar system, called the Kuiper belt, stretches from the orbit of Neptune out to 50 or so astronomical units (AU), where an AU is the distance between Earth and the sun. This region consists mostly of ...

Materials Science

New membrane sets record for separating hydrogen from CO₂

When designing membranes that separate industrial gases, scientists often incorporate structures that attract the gas they want to obtain. This attraction can enhance the membrane's permeability, and help isolate the desired ...

Brain circuit controlling compulsive behavior mapped

Researchers at Karolinska Institutet in Sweden have identified a brain circuit that can drive repetitive and compulsive behaviors in mice, even when natural rewards such as food or social contact are available. The study ...

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Tech Xplore

Male green hermit hummingbirds: Bills evolved for battle

Let's get one thing out of the way: All hummingbirds fight. Most species fight for food, using their tiny bodies and sharp bills to force competitors away from flowers. But the green hermit hummingbird, which lives primarily ...

Maybe that's not liquid water on Mars after all

Ancient Mars boasted abundant water, but the cold and dry conditions of today make liquid water on the Red Planet seem far less probable. However, the Mars Advanced Radar for Subsurface and Ionosphere Sounding (MARSIS) detected ...

Most homemade dog diets lack nutrients, study finds

Over the last two decades, homemade diets have seen a rise in popularity among dog owners. However, new research from the Dog Aging Project (DAP) reveals that most homemade diets are missing important nutrients that dogs ...

How mega-constellations are learning to manage themselves

Satellite mega-constellations are quickly becoming the backbone of a number of industries. Cellular communication, GPS, weather monitoring and more are now, at least in part, reliant on the networks of thousands of satellites ...

Europa clipper captures Uranus with star tracker camera

NASA's Europa Clipper captured this image of a starfield—and the planet Uranus—on Nov. 5, 2025, while experimenting with one of its two stellar reference units. These star-tracking cameras are used for maintaining spacecraft ...

Nine new-to-Vermont bee species discovered

A new count of Vermont's bee species has identified nine species not previously reported in the Green Mountain State, bringing the total number of species in Vermont to 352, more than any northern New England state.