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When observed under a microscope, guard hairs from mice resemble optical sensors used in thermal cameras to detect heat, according to a new study.

As Omicron induces a sense of deja vu at the close of the year, we look back at a few key ways in which our understanding has moved forward.

Lab studies link the oral bacteria Fusobacterium nucleatum to cancers from the gut to the head and neck. Could targeting the microbe tackle tumors?

A thermodynamic analysis of more than 400 chemical reactions that likely took place in the ancestor of all life finds most would spontaneously occur at hydrothermal vents, thanks to the hydrogen these geological formations emit.

Preliminary studies suggest that existing vaccines falter in preventing symptomatic infections caused by the new coronavirus variant, but protection against severe disease is still high.

Hydra vulgaris constantly replenish the cells in their heads and grow new ones to reproduce asexually. But gene expression analyses reveal that regenerating a head after an injury is a very different process.

Sea otters are born with a supercharged metabolism that helps them stay warm in chilly waters.

A new analysis of fossil footprints suggests that the 2-meter-tall, 4- to 5-meter-long carnivores that left them could run nearly 45 kilometers per hour, bolstering the evidence that at least some dinosaurs were speedy, agile hunters.

The glycoprotein researcher and longtime principal deputy director of the National Institutes of Health will take over from Francis Collins on December 20.

Erika Moore builds biomaterials to study disparate lupus outcomes.

Researchers found that lowering the temperature alleviates autoimmunity in mice.

Researchers identify a sensor that sets off inflammation in the absence of infection when it detects RNA from the mobile genetic elements.