Our August 1991 cover story, in honor of Harry Kroto's passing
Science's greatest weakness is also its greatest strength
Microbes that eat and breathe electricity have forced scientists to reimagine how life works—on this planet and others
Randal Koene is recruiting top neuroscientists to help him make humans live forever
With the upcoming release of the major motion picture Europa Report, a couple of Jet Propulsion Lab scientists explain how science fiction has evolved in response to our growing understanding of space.
It's a fact of the archaeological record: Modern humans survived and Neanderthals did not. Why? And what does it teach us about our own survival?
PopSci discovers the elements, one by one
A working, large-scale quantum computer is still a decade away, but researchers are currently turning a critical corner from theory to building the first small quantum systems
One man's noise is another man's long-sought signal
Last December, Felisa Wolfe-Simon announced the discovery of a microbe that could change the way we understand life in the universe. Soon she found herself plunged into a maelstrom of bitter backlash and intemperate criticism. A dispatch from the frontiers of the new peer review
These ten awe-inspiring science projects range from the world's largest undersea observatory to the "ultimate microscope" to a Jupiter orbiter on a suicide mission--but they're all massive, often in both size and scope
How we covered the Scopes Monkey Trial, the discovery of Java Man, the Piltdown Man hoax, and milestones in the history of evolutionary theory
On the Labrador Sea, the scientific crew of the research vessel Knorr hunts for underwater storms, sinks a two-mile mooring--and gathers clues to the planet's fate
Launch the gallery below, and enjoy our favorite pictures of the year, all in one place
Steven Chu, the new U.S. secretary of energy, is a Nobel-winning physicist and an unabashed advocate of fighting climate change. But can he negotiate the political realities of transforming the energy economy?
Fossils and molecular genetics are just some of the tools researchers have used to answer questions about the history of the human species
More than 50 of the most dangerous, disgusting, humiliating and just plain bad professions
As the Large Hadron Collider readies to be fired up in Geneva, Physicist Brian Cox explains what it might reveal about the workings of the Universe—and why the grandest scientific instrument ever built is well worth the $6 billion investment
Controversial theorist Aubrey de Grey insists that we are within reach of an engineered cure for aging. Are you prepared to live forever?
In the early 1900s, radioactive water was all the rage. Hard to believe smart people could fall for such twaddle--right?
Physics can't find the biggest thing in the known universe, so it's looking beyond our paltry three dimensions. Michael Moyer enters the zone of insanely hard mathematics, translates what he finds into plain English, and makes it back alive.