Just above two children per woman was considered the minimum to sustain a population—not anymore, according to new research.

In a surprising scientific discovery, baby salmon have been found to take a far more complex journey than previously known ...

A man unexpectedly became the center of viral attention when his cat gave birth on his lap. What started as a quiet day turned into a chaotic, heartfelt journey, leaving the Internet with mixed ...

The creation of three "dire wolf" pups has raised hopes that it may be possible to resurrect extinct animals. But some scientists have grave concerns. Swathes of scientific data deletions are ...