Science is close to giving us effective male contraceptive, but it won’t matter unless men are willing to use it

A diplomatic breakdown exposes geopolitical fractures over a problematic fix for climate change

Researchers successfully nurture extremely preterm lamb fetuses outside a natural womb

A new study of astronaut twins offers a clearer understanding of how space travel affects the human body

Here’s how they did it

Longevity scientist David Sinclair believes too many of us end up in old age as “the living dead.” He’s searching for drugs that can turn…

Just like their owners, cats and dogs are becoming more allergic to their environments

A new study shows that a gene identified in fruit flies may help explain why some of us take risks—and some stay at home

Rosalind Picard wants to build technology that understands human emotion

Companies are denying people access to their own data as security risks run rampant

Hospitals are leaning on the distracting power of immersive technology

‘When I’m not on [Twitter]… I have literal heart palpitations’

We may be able to train ourselves to control brain activity

Realistic alternative meats and dairy products could herald the end of livestock farming — and change the way we make food

Inside the massive lawsuit that seeks to assign blame — and financial penalties — for the opioid epidemic

Former astronaut Mark Kelly is running for Senate. He may join a small club of astronaut politicians.

How helpful is it really to know your ovarian hormone levels?

Stung by a rogue scientist’s actions, experts want a moratorium on using CRISPR for germline editing

How learning your genetic profile changes your body and behavior

Hospitals should require patients to give explicit informed consent before physicians are authorized to discuss life-and-death matters…

In a new book, a prominent cardiologist argues that A.I. could fix our broken health system — if we get it right

Scientists are begging NASA to go back to Uranus and Neptune

The anesthetic ketamine receives official FDA approval to treat depression. Is the tradeoff worth it?

Judith Grisel shares her story and science in her book, ‘Never Enough’