A new study shows scientists can pause sperm production and restore fertility, offering a promising path toward reversible ...

A safe, reversible male birth control is moving closer to reality. New research points to a temporary-acting drug's potential ...

A new study shows scientists can pause sperm production and restore fertility, offering a promising path toward reversible ...

Add Yahoo as a preferred source to see more of our stories on Google. A newborn sperm whale in this photograph taken July 2023 off the coast of Dominica, in this photo released on March 26, 2026.

March 26 (Reuters) - When a mother sperm whale gives birth, it is a remarkable team effort. Marine biologists have documented how multiple adult female sperm whales surrounded the mother as the whale ...

Death doulas guide people through their final life transition. Here’s what they want everyone to know about dying.

Can you clone a clone forever? Landmark 20-year study reveals horrifying verdict - Scientists cloned 1,206 mice from one ...

March 24 (Reuters) - Revealing the limitations of cloning, researchers who repeatedly cloned mice for two decades have ...

This past weekend, millions of protesters showed up at "No Kings" marches at thousands of locations, including in multiple ...

Learn how cloned mice survived for generations, why their DNA began to fail, and what the results reveal about genetic mutations, cloning limits, and long-term survival.

Back in the USWNT squad for the first time since the birth of her first child, Sophia Wilson - formerly Sophia Smith - hopes ...

New research reveals that getting pregnant in space would be a very difficult task. Research carried out by the University of Adelaide reveals that sperm lose direction in microgravity, reducing ...