Female birds age more slowly and live longer when they have help raising their offspring, according to new research from the University of Sheffield.
Shorter intervals between primate births are associated with higher mortality rates in offspring, finds a new study of macaque monkeys. The results are consistent with previous research on human birth intervals, suggesting ...
Parents make sacrifices to allow their children to have better lives than they did, but this isn't the case for Kalahari meerkat mothers, according to a new University of Michigan study.
Sperm that live for longer before fertilising an egg produce healthier offspring—according to new research from the University of East Anglia and Uppsala University in Sweden.
Male cichlid fish sometimes fertilize eggs in nests belonging to one of their male relatives, a behaviour that is counter-intuitive yet ultimately beneficial, according to a study published in BMC Biology.
A selfish streak in genes known to drive species apart might occasionally bring them closer together, says a new study from the University of Nebraska-Lincoln and University of Rochester.
Heatwaves similar to those experienced in Europe in 2018 can have a very negative impact on animals. A new study from Lund University in Sweden shows that overheated birds have smaller offspring, and that those that are born ...