The hectocotylus is both a reproductive and sensory organ, Harvard scientists and others have found.

R3 Bio has a bold idea for replacing lab animals: genetically-engineered whole organ systems that lack a brain. The long-term goal, says a cofounder, is to make human versions.

The secret to this acrobatic skill lies in an extremely flexible part of the spine that allows cats to twist in the air and land safely.

Assistant Professor Matthew Jones is working to decode molecular processes on the genetic, epigenetic, and microenvironment levels to anticipate how and when tumors evolve to resist treatment.