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Researchers recreated conditions from billions of years ago and found that Earth's young atmosphere could make key molecules linked to life. These sulfur-rich compounds, including certain amino acids, may have formed naturally in the sky. The results ...

Ant pupae that are fatally sick don't hide their condition; instead, they release a special scent that warns the rest of the colony. This signal prompts worker ants to open the pupae's cocoons and disinfect them with formic acid, stopping the ...

Scientists have discovered a strange tubular structure inside Profftella, a symbiotic bacterium in the Asian citrus psyllid. These long, helical tubes, filled with ribosomes, show a complexity not typically found in bacteria. The discovery reshapes . ...

Scientists discovered that the first 100 base pairs of human genes are unusually prone to mutations, especially during the earliest stages of embryonic development. These mosaic mutations often go undetected yet can still be passed on and cause ...

Researchers discovered that 168 common chemicals can disrupt the growth of beneficial gut bacteria, with some also promoting antibiotic resistance. Many of these substances--found in food, water, and household items--weren't previously suspected of . ...

Researchers have solved the decades-old mystery behind how a common pregnancy drug lowers blood pressure. It turns out the medication blocks a fast-acting "oxygen alarm" inside cells. That same alarm helps brain tumors survive, meaning the drug ...

Scientists found that combining oxytocin with an Alk5 inhibitor revitalized extremely old male mice, boosting their lifespan and strength. Female mice showed only short-term improvements, highlighting a major sex difference in aging biology. The ...

Scientists have discovered that a single gene, GRIN2A, can directly cause mental illness--something previously thought to stem only from many genes acting together. People with certain variants of this gene often develop psychiatric symptoms much ...

Nitrous oxide may offer quick, short-term relief for people with major depression, especially those who haven't responded to standard medications. The meta-analysis found rapid improvements after a single dose and more sustained benefits after ...

Scientists found that adult bristleworm eyes grow continuously thanks to a rim of neural stem cells similar to those in vertebrate eyes. This growth is surprisingly regulated by environmental light via a vertebrate-like c-opsin. The discovery reveals ...