PHOENIX - What's being billed as a legislative study of in vitro fertilization could be the first step toward banning the process outright in Arizona. The proposal by Sen. Nancy Barto, R-Phoenix, ...

Even as we applaud any laws that protect vulnerable lives, we must also pray for God to intervene on their behalf ...

It has also become a big driver in the number of older single mothers in the U.S. at a time when the country's overall birth ...

Humanized mouse models are vital for studying human gene function, but fully replacing mouse genes with complete human ...

Scientists may have cracked the case of whether a seven-million-year-old fossil could walk upright. A new study found strong ...

A new study posits that same-sex sexual behavior developed to help primates in complex social groups ease tension, reduce ...

Human evolution is explained through branching lineages rather than a simple linear progression. Fossils, genetics, and archaeology together reveal how multiple human species emerged, interacted, and ...

Infertility is a major healthcare concern. Understanding the molecular regulators governing fertilization, early embryonic ...

When ET phones home, it could be his last call. Contrary to sci-fi movie depictions, our first contact might not be with a super advanced alien civilization at the height of power. Rather, Ivy League ...

A better understanding of how these amphibians grow new appendages may lead to better wound healing—or even new limbs—in humans. Axolotls are native to Mexico and critically endangered in their ...

Recent fossil finds could mean that "Lucy" wasn't our direct ancestor, some scientists say. Others strongly disagree. When you purchase through links on our site, we may earn an affiliate commission.