There are sure signs of spring on the Canadian Prairies—snow melting, pelicans splashing down in the South Saskatchewan River ...

Over the past four decades, sperm counts among men worldwide have dropped by more than 50 percent, according to a 2022 ...

Dr. Heide Island's new book is a beautifully written exposé of these mysterious charismatic, intelligent, emotional, sentient ...

Thanks to the generous efforts of SPCA volunteer Susan Birt and her coworkers from Union Agener, who chose to spend their ...

The tapir is one of evolution’s quieter success stories — an ancient, oddly proportioned mammal that has changed very little ...

A taxonomical revision led to the discovery of a new genus of tarantulas with the longest male sexual organs of any known ...

One of the great tragedies of the 21st century,” Nan Schaffer once said, “will be humanity’s homogeneity.” The remark was ...

Several barn owl eggs in western North Carolina have begun to hatch.

Should scientists intervene when faced with the possible self-destruction of a species? That question sits at the heart of ...

For example, right before females ovulate — when estrogen reaches its peak — they tend to be more physically active. The ...