What would persuade you to eat less meat? Probably not an appeal to go cold turkey, but perhaps an introduction to being reducetarian.

Researchers propose five ethical guidelines for research on ancient DNA. There is genome-wide data available for more than 6,000 ancient humans.

There are no clinically tested or government-approved cell therapies available for the treatment or prevention of COVID-19 or its long-term effects.

A new study argues for a utilitarian approach to curbing carbon emissions, one that focuses on well-being rather than GDP.

Are COVID-19 booster shots ethical considering the number of people around the world who haven't even gotten a first vaccination?

There's no ethical reason to exclude transgender women from uterus transplants, say researchers. More than 60 uterus transplants have taken place across the globe so far.

New research on cognitive biases focuses on an episode of foodborne illness involving cantaloupes. The findings may also apply to COVID-19.

Giving vaccine priority to older adults and others most at risk of dying will actually save the maximum number of lives and the most years of life.

Car makers frequently wait to announce an auto recall until after a competitor does, even if the recall is unrelated to similar defects.

The ethics rules that protect subjects of field research are no match for the internet. A new essay calls for revising the rules to better protect people.