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Experts are scrambling to understand clusters of the normally rare disease that have been reported in Europe and North America in the last month.

Researchers observe that dolphins in a pod in the Red Sea regularly rub against certain corals and sponges, perhaps to sooth their skin by prompting the invertebrates to release mucus that contains antimicrobial compounds.

The accidental finding marks the first time a phenomenon called cytoplasmic sterility, known to occur in plants, has been found in animals.

An interesting but preliminary biomarker study’s reception illustrates the challenges of conducting and communicating nuanced research in the era of social media.

Though scientists don’t yet know much about it, a newly described process called erebosis might have profound implications for how the gut maintains itself.

The new fossil from Laos helps answer the question of how some people from Oceania carry DNA from the ancient hominin.

The Scientist spoke to hyena researcher Eve Davidian for a broad look at power relationships between male and female mammals.

While malaria control strategies have focused on mosquitoes’ nocturnal activity, almost one-third of bites occur while the sun is up, a new study estimates.

The presence and spread of new, more-infectious and immune-evading variants show that the coronavirus is not done mutating.

A sugar that’s less abundant in the blood of people with diabetes binds to SARS-CoV-2’s spike protein and disrupts the virus’s ability to fuse with cells.  

Two glands increase steroid production after female California two-spot octopuses mate, a study finds. Those hormones may be responsible for the animals’ self-destructive behavior.

Nanoparticle-coated bacteria can capture tumor antigens and deliver them to immune cells, triggering a response that improved survival rates in mice.