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Phys.org / Asteroid with unexplained orbital shift turns out to be a 'dark comet'

Typically, astronomers identify comets by their distinct atmospheres, or comae, and their tails, which are created as the sun vaporizes a comet's ice. These features emit a glow when sunlight bounces off dust and water droplets. ...

19 hours ago
Medical Xpress / Virtual tumor predicts response to liver cancer immunotherapy

Using computational tools, researchers from the Johns Hopkins Kimmel Cancer Center and the Johns Hopkins University School of Medicine have developed a method to predict which patients with a primary liver cancer called hepatocellular ...

9 hours ago
Phys.org / GRS 0917+75 is a giant radio galaxy, observations find

European astronomers have conducted optical and radio observations of an enigmatic radio source designated GRS 0917+75. As a result, they found that GRS 0917+75 is a giant radio galaxy and determined its properties. The new ...

20 hours ago
Phys.org / Unhoused people and wildlife are increasingly coming into contact. Here's what can be done to protect them

As homelessness increases around the world, more unhoused people are turning to parks and other urban green spaces to seek shelter. However, these places are also home to animals that live in and around urban areas.

11 hours ago
Phys.org / New process turns mixed plastic waste directly into hydrogen fuel without sorting

Plastic has become a ubiquitous part of modern life—in water bottles, shopping bags and car dashboards. But once discarded, it is among the hardest materials on Earth to recycle. Most recycling processes require plastics ...

19 hours ago
Science X / Deep below the Lost City, scientists uncovered superheated water that may fuel one of Earth's strangest ecosystems

Deep in the Atlantic Ocean, the Lost City hydrothermal field is known for eerie white chimney structures made of carbonate. Alkaline hot springs, loaded with hydrogen and methane, emerge from the seafloor there. Rather than ...

23 hours ago
Phys.org / Astronomers find nearby planets to be small, strange, and utterly uninhabitable

Scientists have painted the most detailed portrait yet of the planetary system orbiting Barnard's Star—the sun's closest neighbor after Alpha Centauri, just under six light-years from Earth.

15 hours ago
Tech Xplore / Taiwan computer chipmaker TSMC pledges another $100 billion to expand US chipmaking capacity

Major Taiwan computer chipmaker TSMC said Thursday it plans to spend another $100 billion on expanding its manufacturing capacity in the United States.

2 hours ago
Phys.org / Adolescent social media restrictions may reduce some harms while shifting others, warn experts

Amrit Kaur Purba and colleagues argue that social media restrictions operate within a wider system of adolescents, families, schools, governments and commercial actors—and therefore should be treated as complex systems interventions ...

12 hours ago
Phys.org / Model highlights patterns in how humans move across different locations

Every day, billions of people travel from their homes to work, schools, health care facilities, restaurants, public venues and other destinations. The complex patterns that shape how people move between these different locations ...

22 hours ago
Phys.org / Microplastics reach even 2,000 meters below the ocean surface, study finds

Plastic pollution has become a global environmental crisis, with an estimated 11 million tons of plastic entering the oceans each year. As larger plastic debris breaks down into microplastics, these tiny particles are transported ...

13 hours ago
Medical Xpress / More smokers are buying tobacco from illicit sources, new study reveals

Research published in Nicotine & Tobacco Research analyzed repeated cross-sectional survey data from 9,996 participants ages 16 and older who reported currently smoking. It found that while most smokers (76.9%) reported purchasing ...

6 hours ago