Certain smaller sauropods could stand on their hind legs with surprising ease, giving them access to higher food and a defensive edge. Computer simulations show their bones handled stress better than ...

While humans often struggle to find a partner who is both physically attractive and a reliable co-parent, yeast may already have cracked the formula for the perfect match. When choosing mates, these ...

In the last few weeks, the bears have been showing some changes in their behaviors — signs of what keepers call “positive ...

Being able to reproduce both sexually and asexually gives the dragons an evolutionary edge, Garcia says. If no mate is handy, a female can bear sons parthenogenetically—and when they’re older, they ...

As the generations dragged on past the 27th iteration, the birth rate began to silently collapse. By the 57th generation, a mere 0.6 percent of the cloned embryos survived. The 58th generation ...

Scientists have captured rare footage of a sperm whale giving birth, offering a window into the large mammals' behavior ...