The hardy potato helped humans adapt to live in the harsh Andean highlands—and changed the genomes of the people who made it a stape of their diet.

Understanding the pattern of shark scales could lead to the development of new materials that reduce drag and increase efficiency.

In "a remarkable detective story," scientists have used CRISPR to find what makes cotton bollworm caterpillars resistant to genetically engineered cotton.

When levels of the protein are low, the immune system is "unleashed," which can kickstart a rare form of lymphoma.

A key protein that keeps "jumping genes" in check could also prevent the formation of tumors and potentially lead to new cancer treatments.

When temperatures get too cold or too hot, genes aren't immune from feeling the effects. New research finds four ways genes feel the heat (and the cold).

Many butteflies use their wings to mimic other species to protect themselves from predators. Now, a new study shows how just one gene is key to their color.