Health

Where and when did the Black Death originate? The question has been asked for centuries and led to heated debate among historians.Now, a group of researchers reports that it has found the...

And just like that, after four years of painstaking work, Leibowitz, de Vries and the rest of their group were being called out as traitors by peers and the community they sought...

Cats, so often, are a mystery, even to those that know them best. Why do they sleep so much? Why do they want your full attention one minute, none the next? How...

This article is part of Upstart, a series on young companies harnessing new science and technology.Vijay Ravindran has always been fascinated with technology. At Amazon, he oversaw the team that built and...

The disease can vary in severity, but for some, it can be life-altering — a total loss of body hair, including eyelashes and eyebrows, even nose hair and hair in the ears....

The antiparasite drug ivermectin does not reduce the time needed to recover from Covid, according to a large study posted online Sunday. It is the largest of several clinical trials to show...

If you’re one of the millions of Americans who have already had Covid-19, you may be wondering how long you will have immunity from the coronavirus. Earlier in the pandemic, most people...

A veterinarian in Thailand likely contracted the coronavirus from an infected pet cat last year, researchers concluded in a new study. It is the first documented case of suspected cat-to-human transmission, although...

About 1.6 million people in the United States are transgender, and 43 percent of them are young adults or teenagers, according to a new report providing the most recent national estimates of...

In its first report, a team of international scientists assembled by the World Health Organization to advise on the origins of the coronavirus said on Thursday that bats likely carried an ancestor...