The offspring of crosses between related species can sometimes fill a new environmental niche, and such hybridizations may even lead to speciation.

Historical and modern experiments have hinted that unicelluar organisms can learn from their experiences, but the idea still has its critics.

It’s now thought that in many cases, cancer cells disseminate from the primary tumor site early on and lay dormant for long periods rather than only venturing out from primary tumors at an advanced stage.

Researchers are uncovering how circular bits of DNA found in some cancer cells can help tumors evolve and kill.

Synapses in the mouse neocortex can release multiple packages of neurotransmitters, suggesting that connection strength is more flexible than previously thought.

Researchers find different distributions of the immune cells in young, older, and diseased eyes.

Males and females show differences in gene expression, cell activation, and antibody production in response to some viral infections, but whether these influence COVID-19 outcomes is still unclear.

Researchers are getting creative to understand flight behavior in the fast-moving and tiny animals.

Researchers found that thinning petunia cells’ cuticles caused them to slow production of volatile organic compounds.