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Threatened and endangered species were among the dead, likely poisoned overnight by a chlorination system used to decontaminate the animals’ tank water.

BA.2.75 is spreading rampantly in India and has so far reached at least 20 other countries, but it doesn’t seem to be outcompeting other Omicron SARS-CoV-2 subvariants.

By combining deep learning and electron microscopy, researchers now have a more detailed understanding of how fear changes the brain.

Analyses suggest the virus has been silently spreading in nearby counties since May.

Experimental evolution study sheds new light on the origin of animal-microbe symbioses and what it takes for bacteria to support their insect hosts.

Ana Teresa Freitas discusses how individual variation in vitamin D synthesis and metabolism influences susceptibility to upper respiratory viruses.

Once thought of as a mere motor coordination center, the “little brain” is now appreciated as participating in higher neurological processes.

Meet the team trying to restore mollusk populations with the help of underwater speakers.

A strange layer in the fossil record contains evidence that fern populations exploded following the mass extinction that ended the Cretaceous period. Scientists want to know why.

At Brigham and Women’s Hospital, the cancer biologist is combining research into the tumor microenvironment with the principles of neuroscience to tease apart how cancers grow—and how to stop them.

The newly authorized intradermal vaccination only requires one-fifth of the usual vaccine dose. This will help stretch out the limited vaccine supply, experts say, but only if healthcare personnel receive sufficient training.

Most of the human induced pluripotent stem cells stored at major cell line repositories and used in research harbor thousands of DNA errors, a study finds, highlighting the need for improved quality control measures.