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A newly identified protein may hold the key to rejuvenating aging brain cells. Researchers found that boosting DMTF1 can restore the ability of neural stem cells to regenerate, even when age-related damage has set in. Without it, these cells struggle ...

Long before agriculture, humans were transforming Europe's wild landscapes. Advanced simulations show that hunting and fire use by Neanderthals and Mesolithic hunter-gatherers reshaped forests and grasslands in measurable ways. By reducing ...

A new scientific review challenges the headline-grabbing claim that Yellowstone's returning wolves triggered one of the strongest trophic cascades on Earth. Researchers found that the reported 1,500% surge in willow growth was based on circular ...

A newly identified planet candidate, HD 137010 b, looks strikingly Earth-like in size and orbit -- but it may be colder than Mars due to its dimmer star. If it has a thick enough atmosphere, though, this icy world could still surprise us.

Scientists studying a rock sample collected by NASA's Curiosity rover have uncovered something tantalizing: the largest organic molecules ever detected on Mars. The compounds -- decane, undecane, and dodecane -- may be fragments of fatty acids, which ...

Even when Earth was locked in its most extreme deep freeze, the planet's climate may not have been as silent and still as once believed. New research from ancient Scottish rocks reveals that during Snowball Earth -- when ice sheets reached the ...

For the first time, deadly H5N1 bird flu has been confirmed as the cause of a wildlife die-off in Antarctica, killing more than 50 skuas during the 2023-2024 summers. Researchers on an Antarctic expedition found the virus ravaging these powerful ...

Deep inside a nearby galaxy cloaked in thick clouds of gas and dust, astronomers have uncovered a surprising treasure trove of organic molecules using the James Webb Space Telescope. Peering through the cosmic veil in infrared light, researchers ...

A simple brain-training program that sharpens how quickly older adults process visual information may have a surprisingly powerful long-term payoff. In a major 20-year study of adults 65 and older, those who completed five to six weeks of adaptive . ...

Three major reviews commissioned by the World Health Organization find that GLP-1 drugs including tirzepatide (sold as Mounjaro and Zepbound), semaglutide (Ozempic and Wegovy), and liraglutide (Victoza and Saxenda) can lead to substantial weight loss ...