As humans drive vulnerable mammals closer to extinction, valuable mutations hidden in their DNA could be bred out of existence.
What appears to be a life-affirming triumph is really a cautionary tale about drones and wildlife.
New evidence is prompting some researchers to rethink ethics in the lab.
James Parker explains the appeal of shows like It's Me or the Dog and Meerkat Manor.
Medical-research institutions draw on a thriving black market in stolen and fraudulently obtained pets