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Little red dots have puzzled astronomers since their discovery in James Webb Space Telescope (JWST) data from the universe's deep past. Their "powering engines" might resemble a newly discovered phenomenon dubbed a "black ...

The closest living relatives of crocodiles and alligators are, perhaps surprisingly, birds. Both are archosauriforms, a group of species that originated about 250 million years ago near the beginning of the Triassic period.

Habitual cannabis users experienced about 9% fewer premature heartbeats on days they inhaled cannabis compared with days they abstained, a counterintuitive finding that adds to the complex and evolving understanding of how ...

Although there are many cancer treatments available today that effectively eliminate abnormal cells, these therapies may also damage healthy cells, leading to unwanted side effects.

It's common to see images of astronauts on the International Space Station exercising, running on special treadmills and pedaling cycles designed for tight quarters.

Calls to poison centers involving liver injuries caused by medications, supplements, alcohol and other substances jumped nearly 400% between 2000 and 2024, according to a new study from UVA Health published in Clinical Gastroenterology ...

Smartwatches, phones and even some drones rely on lightweight, rechargeable energy storage systems. Once those devices wear out, many end up as electronic waste. Now, researchers reporting in ACS Energy Letters have developed ...

Using the NASA/ESA/CSA James Webb Space Telescope, an international team of astronomers has discovered that dust and water can form and survive surprisingly close to the supermassive black hole at the center of the Milky ...

Researchers have developed a potential new approach against the highly drug-resistant hospital fungus Candida auris. They discovered that a synthetic sugar molecule that is a natural part of the fungus's cell wall, but is ...

A low-fat vegan diet lowers the energy density of the foods people eat by roughly 30%, allowing them to eat satisfying amounts of food while taking in fewer calories and losing weight—without deliberately restricting calories—according ...

For decades, obesity medications produced only modest weight loss. But in recent years, Ozempic and related GLP-1 therapies have transformed the field, enabling sustained weight loss of 10% to 15% or more. Despite their success, ...

Exposure to Streptococcus pyogenes (Strep A) that causes mild or no symptoms can trigger the body's immune response and naturally build protection, potentially solving a nearly 100-year-old mystery of immunity.