In "The Creatures' Guide to Caring," Elizabeth Preston traces myriad methods of caregiving across the natural world.

Companies aim to edit germlines, which they say could prevent a range of diseases. But do people want the tech?

On a rare, clear day, one can look due west from the Mount Wilson Observatory, perched at nearly 6,000 feet on the outskirts of Los Angeles, and see the wide basin of the San Fernando Valley. A ...

The pioneering field biologist George B. Schaller was born into an era at odds with his life’s work. By the time he reached places like Brazil, India, and the Himalayas, ecological destruction was ...

According to new data from the Centers for Disease Control and Prevention, there were 3.6 million births in 2025, a 1 percent decline from 2024. The fertility rate dropped to 53.1 births per 1,000 ...

Randy Hatton ran the hotline. His students fielded dozens of drug-related questions from pharmacists, physicians, and even the occasional vet. When the phones rang, Hatton and his team never knew what ...

Last June, at a conference and retreat center not far from downtown Berkeley, California, around 100 people gathered to mull a new, techno-centric future of human reproduction. There was the physics ...

Bradley P. Clawson spent more than three decades handling highly radioactive materials at Idaho National Laboratory, a nuclear energy testing and production hub outside Idaho Falls. His work ranged ...

On a mild day in mid-November, among a clutch of oaks and sycamores, more than a dozen people encircled a small fire. Some lay splayed on the ground or on blankets, others perched on camp stools. Many ...

In 2015, Peter Stout, head of the Houston Forensic Science Center, began administering a test that was designed to not look like a test. Like many crime labs in the United States, analysts at the ...

To the naked eye, Annie Kathuria’s experiments look a bit like tiny tufts of cotton floating in pink Petri dishes. These unassuming orbs are clusters of millions of human brain cells called brain ...