Sperm whales are named after the waxy substance found in their large heads called spermaceti. The spermaceti is an oil sac ...

The decision said a 1993 state law about sperm donors relinquishing rights was designed to address situations involving the ...

The Florida Supreme Court ruled that a man didn't automatically give up his paternal rights when he provided sperm for an ...

Ashwagandha is an herb that may have many applications based on its purported anti-anxiety, anti-inflammatory, antioxidant, ...

Telegram founder Pavel Durov will cover IVF costs for women who want to use his donated sperm, and has promised his offspring a share of his fortune.

London — Sperm from a donor who unknowingly carried a cancer-causing gene has been used to conceive nearly 200 babies across Europe, an investigation by 14 European public service broadcasters, ...

Scientists have identified a protein that may be key to proper sperm formation. Without it, male mice produced no viable sperm, they found. A team at the RIKEN Center for Biosystems Dynamics Research ...

Michelle Spear does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...

The mammals' mysterious clicks contain a stunning level of complexity, a new study shows. A group of sperm whales (Physeter macrocephalus) swims together in the Indian Ocean. For years, researchers ...

Sperm whales swimming off the coast of Dominica. The marine mammals have a complex communication system that scientists are working to decode. Amanda Cotton Get the Popular Science daily newsletter💡 ...

The sperm is not a passive supplier of genetic material to the egg. A study from Linköping University, Sweden, shows that certain molecules that come with the sperm, so-called micro-RNA, contribute to ...

Human semen not only accumulates genetic mutations with age; as the percentage of sperm carrying potentially serious mutations increases, so does the risk of developing diseases in offspring. This is ...