Furthermore, the team monitored shifts in blood and hormones while the mother sharks laid eggs, explained lead-author Carolyn ...

A pair of Florida Democrats have filed legislation that would in effect eliminate the state’s restrictive six-week abortion ...

Epaulette sharks can reproduce without any measurable increase in energy use, stunning researchers who expected egg-laying to ...

Ski racer Paula Moltzan is boosting brands like Bag Balm and Skida, as well as a Vermont fertility clinic—which created a ...

Mounting evidence from research on nematodes to mice indicate that a father's environment, such as what he eats or if he is ...

Two perfectly round dinosaur eggs found in China weren't hiding bones, but something far more unexpected. What scientists uncovered inside could rewrite what we know about fossilisation and the final ...

Biologists studying an Australian lizard observed something no one had ever documented in a vertebrate before. A single female produced offspring through two different reproductive methods during the ...

Two wombs, a forked penis, and giving birth through the nose. These are just a few of the bizarre stories circulating about ...

The female reproductive system is made up of the parts that are inside and outside the body that help a female make a baby. Both the female and male reproductive system are needed for this. The female ...

In a proof-of-concept experiment, scientists demonstrated that you can create and fertilize human eggs in the lab using sperm, genes from skin cells, and the "shells" of existing egg cells. When you ...

Dating dinosaur eggs has always been tricky because traditional methods rely on surrounding rocks or minerals that may have shifted over time. Now, for the first time, scientists have directly dated ...

Human egg cells have the ability to "power down" their internal recycling plants to protect themselves from harmful DNA damage as they age. This is the conclusion of an international team of ...