Alas, there are no homunculi crammed inside the smallest human cells. Yet recent research in fertility and urology suggests Hartsoeker’s image could work metaphorically: Sperm can be a proxy for the ...

Age, biological sex, and human genetic factors influence the production of antibodies during the immune response. A team of scientists from the Institut Pasteur, the CNRS and the Collège de France ...

The crew will spend the next eight months conducting experiments to prepare for human exploration beyond Earth's orbit.

NASA astronauts Jessica Meir and Jack Hathaway will be joined by two international spacefarers on an upcoming mission to the ISS known as Crew-12.

NASA hopes to accelerate the launch of a mission with SpaceX known as Crew-12 from the Cape Canaveral Space Force Station ...

"If reproduction is ever to occur beyond Earth, it must do so with a clear commitment to safety, transparency and ethical integrity." When you purchase through links on our site, we may earn an ...

Human fertility is a complex and multifactorial process influenced by genetic, hormonal, physiological, behavioral, and environmental determinants. A growing body of evidence has highlighted a ...

Having already withdrawn from the Human Rights Council, the U.S. has adopted an increasingly isolationist and obstructive stance within international institutions. Will the United States become the ...

The vast dataset allowed the Johns Hopkins University-led team to demonstrate robust connections between specific variations in a mother's DNA and their risk of miscarriage. The findings shed new ...

In a reversal, the agency plans to calculate only the cost to industry when setting pollution limits, and not the monetary value of saving human lives, documents show. By Maxine Joselow Reporting from ...

Scientists are making inroads in understanding one of the central mysteries of human reproduction: Why do women’s eggs deteriorate as they age? The broad strokes have been well-known — the ticking of ...

ABSTRACT: Defined as the implantation and development of the egg outside the uterine cavity, ectopic pregnancy is the leading cause of maternal mortality in the first trimester of pregnancy. In ...