Burrowing animals may have been key to stabilizing Earth's oxygen
Evolution of the first burrowing animals may have played a major role in stabilizing the Earth's oxygen reservoir, according to a new study in Nature Geoscience.
How teeth explain the tree of life
Clues contained in mice teeth have allowed scientists to reconstruct evolutionary history in the laboratory.
West US cave with fossil secrets to be excavated
(AP)—For the first time in three decades, paleontologists are about to revisit one of North America's most remarkable troves of ancient fossils: The bones of tens of thousands of animals piled at the bottom ...
New model helps explain how provisions promote or reduce wildlife disease
Scientists have long known that providing supplemental food for wildlife, or resource provisioning, can sometimes cause more harm than good. University of Georgia ecologists have developed a new mathematical model to tease ...
Elephants possess 'superior' sense of smell, study finds
Elephants possess a sense of smell that is likely the strongest ever identified in a single species, according to a study by Japanese scientists out Tuesday.
Research reveals the comparative environmental costs of livestock-based foods
We are told that eating beef is bad for the environment, but do we know its real cost? Are the other animal or animal-derived foods better or worse? New research at the Weizmann Institute of Science, conducted ...
The weird world of nuptial gifts
An opinion piece published in Biology Letters today delves into the weird world of nuptial gifts.
Animal foraging tactics unchanged for 50m years
Animals have used the same technique to search for food that's in short supply for at least 50 million years, a study suggests.
Baboons groom early in the day to get benefits later
Social animals often develop relationships with other group members to reduce aggression and gain access to scarce resources. In wild chacma baboons the strategy for grooming activities shows a certain pattern ...
Research calls for a new diet classification for mammals
The analysis of 139 land mammals' dietary preferences has led researchers to call for a new classification system, as many diets were varied beyond the current understanding of herbivore, carnivore, or omnivore.
Transgender algae reveal evolutionary origin of sexes
Throughout evolution, living things have repeatedly developed physically distinct sexes, but how does this actually happen? A discovery in the multicellular green alga, Volvox carteri, has revealed the genetic ...
A sheep's early life experiences can shape behavior in later life
New research has found that a sheep's experiences soon after birth can shape its later behaviour and also that of its offspring.
Forelimb bone data predicts predator style
At the start of their research, paleobiologists Christine Janis and Borja Figueirido simply wanted to determine the hunting style of an extinct marsupial called Thylacine (also known as the "marsupial wolf" ...
Animals built reefs 550 million years ago, fossil study finds
It is a remarkable survivor of an ancient aquatic world – now a new study sheds light on how one of Earth's oldest reefs was formed.