Microplastics have been discovered in human follicular fluid and semen, according to new research, raising concerns about ...

After trying to conceive for 18 years, one couple is now pregnant with their first child thanks to the power of artificial ...

A new international study presented today at the 41st Annual Meeting of the European Society of Human Reproduction and ...

After struggling to get pregnant for nearly two decades, one couple has finally conceived with assistance from artificial ...

Butterflies (Papilionoidea) come in a remarkable variety of colors and patterns, from the orange majesty of the monarch to the lustrous red and blue of the peacock butterfly, but all butterflies ...

A version of this article appears in the September 1, 1962 issue of Science News.