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Mixing up your workouts might be the real secret to a longer life. Long-term research tracking over 100,000 people for more than three decades suggests that doing a variety of physical activities--rather than just more of the same--can significantly ...

For decades, the Gulf of Panama has relied on strong seasonal winds to trigger upwelling, bringing cool, nutrient-packed water to the surface. But in 2025, this dependable event didn't happen. Researchers point to unusually weak winds as the likely . ...

The famous mezcal "worm" has long puzzled scientists, but DNA testing has finally cracked the case. Researchers found that all sampled larvae were actually agave redworm moth caterpillars--not a mix of species as once believed. While the discovery .. ...

Dinosaur DNA may still be out of reach, but scientists are uncovering something almost as exciting--ancient blood vessels hidden inside fossilized bones. In a massive Tyrannosaurus rex nicknamed Scotty, researchers discovered a network of preserved . ...

Scientists have uncovered a surprising new picture of human origins that challenges the long-held idea of a single ancestral population in Africa. By analyzing genetic data from diverse modern African groups--especially the highly distinct Nama ...

As Alaska's rivers warm, invasive northern pike are becoming noticeably more voracious. Scientists discovered that pike of all ages are eating more fish, with young pike increasing consumption by over 60%. Warmer water speeds up their metabolism, ...

For ages, wall lizards coexisted in three distinct color types, each with its own strategy for survival. Now, a powerful green variant is taking over. These dominant "Hulk" lizards are outcompeting the others, causing yellow and orange morphs to ...

Beneath East Africa's Turkana Rift, scientists have found the crust is thinning to a critical point, suggesting the continent is gradually breaking apart. This "necking" process marks an advanced stage of rifting that could eventually lead to a new . ...

A gut bacterium may be quietly fueling depression through an unexpected chemical twist. Researchers found that when Morganella morganii interacts with a common pollutant, it produces a molecule that triggers inflammation--something strongly linked to ...

In the chaotic first moments after the Big Bang, ripples in spacetime may have done more than just echo through the cosmos--they could have helped create dark matter itself. New research suggests that faint, ancient gravitational waves might have ...