For the fourth year in a row, estimated annual births outnumbered deaths for the critically endangered species.
Rog Hanson emerges from the coastal waters, pulls a diving regulator out of his mouth and pushes a scuba mask down around his ...
Researchers take a closer look at how animal species, large and small, evolved to fight cancer and what it means for humans ...
What really happened around the time when the asteroid smashed into Earth 66 million years ago? Scientists may finally have ...