Research into human-animal chimeras could have a therapeutic payoff, but the work brings up thorny ethical questions.

How our relationships with animals are evolving, challenging old ideas of kinship, companionship, ownership and the ...

HHS announced a new series of agency-wide initiatives aimed at expanding human-based biomedical research and reducing animal testing.

Human-animal interactions encompass a wide spectrum of encounters between people and non-human species, ranging from companion animal relationships to wildlife encounters, livestock management and ...