The United States has few rules governing egg and sperm donation, a Wild West being supercharged by influencers peddling it ...

Eiffinger’s tree frog babies store their solid waste in an intestinal pouch, releasing less ammonia into their watery cribs than other frog species.

One round of egg freezing can cost anywhere from $8,000 to $20,000, depending on the patient’s age, location, and medical ...

The Far Side may be seen as family fun, but Gary Larson's morbid sense of humor is unavoidable in these strips where kids are ...

Marvalee Wake, a professor in the department of integrative biology at the University of California, Berkeley, said: “Many frogs, salamanders and especially caecilians have developed distinct and ...