Scientists said Wednesday they had discovered two new species of a strange bone-devouring worm thriving in the mysterious waters that surround the Antarctic continent.
As growing numbers of species in the modern world face extinction because of global climate change, habitat destruction, and over-exploitation, scientists have turned to the fossil record to understand how mass extinctions ...
A radical shortening of their bony tails over 100 million years ago enabled the earliest birds to develop versatile legs that gave them an evolutionary edge, a new study shows.
Everyone knows all about the epic breeding journey taken each year by generations of monarch butterflies between Mexico and Canada, right? Not so fast, say researchers including University of Guelph biologists.
Research to be published Aug. 7 in the highly respected international journal Proceedings of the Royal Society B clearly demonstrates that at least five and as many as nine species of tropical fruit flies, including the infamous ...
Raising fish in tanks that contain hiding places and other obstacles can make the fish both smarter and improve their chances of survival when they are released into the wild, according to an international team of researchers.
A new mathematical theory from the University is challenging one of the most basic ideas of biology – that the concept of a 'species' applies to all creatures.