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Male placentas produce more proinflammatory molecules than female placentas, while people carrying male fetuses produce fewer antibodies in response to infection, a study finds.

An analysis suggests that a commercially important mass migration of fish may have no real adaptive value.

A large genome-wide association study in East Asians uncovers novel genetic links to depression, calling attention to the consequences of underrepresentation of non-European groups in genetic research data.

Kyoto University is shuttering its Primate Research Institute after its director was dismissed for misuse of funding.

Offspring of animals subjected to a real or simulated pathogen were more able to fend off disease, a study finds.

Nearly three dozen of Mexico’s leading researchers are being accused of money laundering, embezzlement, and organized crime, a move other academics say is politically motivated.

The CDC now suggests that only children who were within 3 feet, not 6 feet, of an infected student should quarantine, provided they were masked in a classroom. Does the science support this change?

Recent studies describe how resident microbiota appear to outcompete unwelcome visitors, either with superior weaponry or by guzzling up local resources.  

In a small clinical study, focusing ultrasound beams on tumors in patients’ brains helped open the blood-brain barrier to facilitate drug delivery.

Injecting oxygen-generating algae into tadpoles allows brain activity to continue in the absence of oxygen, researchers find.

Researchers say they hope to launch a clinical trial to test bumetanide, a diuretic approved in 2002, but how it might improve neural functioning is unclear.

Moulton Chinchilla Ranch, the main US source of the animals for research, had a years-long history of disturbing findings in USDA inspections.