Scientists re-estimate the age of a group of human ancestors, leaving them out in the cold
Why the tiny zebrafish is becoming many researchers' favorite animal
A complete skull of an ancient infant primate was found in northern Kenya
How do centenarians live so long? And how fast can we sequence?
More than 50 of the most dangerous, disgusting, humiliating and just plain bad professions
We'll get a vaccine for addiction, debate the future of nuclear power, use new tech to take on water shortages, and-just maybe-find an extra dimension or two. Happy New Year
One might change the way we treat cancer for good.
2011 is shaping up to be a great year for science. Here's what to look forward to
We've rounded up 2014's most mind-blowing images for your viewing pleasure
Welcome to the age of bioprinting, where the machines we've built are building bits and pieces of us.
Cancer-killing nanoparticles, fat-fighting nucleic acids and more breakthroughs set to transform health care
New research pushes the emergence of HIV into the 19th Century, points to urbanization of Africa as a cause
No more Leap Years
Fifty years ago, the U.S. surgeon general first declared that smoking tobacco causes lung cancer. Popular Science readers could have known that was coming.
Seventy-five percent of Ebola victims are women. Paul Farmer, the revolutionary doctor, thinks we should reconsider how we treat the virus.
These are the 2018 winners of the Vizzies Challenge.
Doctors seek inspiration from unexpected sources to work toward solving some of medicine's toughest challenges
The Affordable Care Act's transparency requirements go into effect August 1.