A state-by-state breakdown of policies that could change your community.
See how the country stacked up in a recent National Science Foundation quiz.
It sounds scary, but we're probably fine
The big and bad crises that could wipe out humanity
Addressing the American Geophysical Union, James Hansen urges fellow scientists to study, share facts on nuclear energy
Many machines over the past 60 years have been billed as the one that will make the big breakthrough in fusion science, only to stumble. This one could be different.
An ambitious experiment is underway to harness the heat of a volcano in central Oregon. The process is green, efficient... and causes earthquakes.
Rossi--a lone Italian inventor with no real credentials and a history as a convicted scam artist--has convinced a small army of researchers that his box can harness a new type of nuclear reaction. What if they're right?
Are nuclear disasters the new normal?
These elite nuclear divers are risking their lives to help save a troubled industry.
Taylor Wilson always dreamed of creating a star. Now he's become one
The Roadrunner supercomputer could tell you what it's doing, but then it would have to kill you. Seriously.
Ten students who are improving MRIs, cancer treatments and human-robot interaction--between classes, of course
Forget algebra homework: try building spaceships, operating a nuclear reactor or listening in to distant galaxies
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
Nuclear power is the most efficient emissions-free energy available. But can it be made safe? Two new reactor designs do just that
The first of their kind used for commercial energy generation
Meet EMMA, the Electron Model of Many Applications
Not your rainy afternoon trip to the science museum
Depending on who you ask, these long-ignored, widely-scattered elements are either a dealbreaker or no problem at all
As nations around the world rush to reconsider their nuclear plans, nuclear experts look toward a future of smaller, safer reactors designed to greatly reduce the likelihood of a Fukushima-sized catastrophe
Several of Japan's nuclear power plants are experiencing serious damage from the earthquake and ensuing tsunami. Here's what you need to know to understand the news, as it happens
Six Generation III+ reactors set for the U.S.
More than 50 of the most dangerous, disgusting, humiliating and just plain bad professions
A 21st century electric-car revival is under way. But the first challenge—building a cheap, safe, powerful battery—is the hardest
The first reactor-on-a-barge will bring power to Russiaâ€™s electricity-starved Arctic
A dirty bomb produces no nuclear chain reaction, no mushroom cloud. Yet its aftereffects could be devastating
It's the ultimate nightmare: a nuclear attack in the U.S. masterminded by terrorists. Here's how that could happen-- and how we can prevent it
How safe can a citizen expect to be in a post 9/11 city? What technology can a city use to make its citizens safe?
The History of Popular Science
New designs and materials will make future skyscrapers sturdier, safer, and smarter.
And how to mutate plant seeds using radiation
For environmentalist Jesse Ausubel, going green means land conservation and energy efficiency—and forgetting “boutique” renewables like windmills and biofuels
To rescue the Earth, we need bold engineering ideas that go beyond simple recycling
A tiny nuclear energy source could help power micro- and nanomachines of the future
It's all about enrichment
The most complex machines ever built don't just hunt for obscure subatomic bits
The man behind the world's most powerful camera confronts killer viruses, nude sunbathers and the San Diego Padres
Energy officials argue for a new breed of reactors that run on recycled radioactive fuel
The march towards a perfect energy source moves along thanks to one very powerful laser
Every day for the next two weeks we'll be unpacking the record behind the rhetoric
A former spy's excruciating death by radiation poisoning marks the beginning of an era of high-tech hit men who can kill from anywhere
* that's a big, fat "might"
Two desktop-printer engineers quit their jobs to search for the ultimate source of endless energy: nuclear fusion. Could this highly improbable enterprise actually succeed?
We spoke to candidates with science backgrounds from across the political spectrum
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
We're getting better at detecting it, but the number of cases keeps growing.
Nuclear energy is looking like it will be a big part of a fossil-fuel-free future in the U.S. But the big question remains as big as ever: What's to be done with the waste it generates?
Scientists hope to build an experimental fusion reactor
Last October, Iceland's economy tanked. Its bailout? A two-mile geothermal well drilled into a volcano that could generate an endless supply of clean energy. Or, as Icelanders will calmly explain, it could all blow up in their faces
State-run media backs up the claim
A new ice age, exploding stars, the hypothetical Doomsday Machine, and more scenarios that are almost certain to eradicate life on Earth
A word with the nation's biggest petascale supercomputer
Safer, smaller nuclear reactors have amassed a powerful cult following
In a highlight of last week's conference, Gates calls for zero emissions and agrees with Obama: We need nukes
We examined the state of the art in high-rise safety. If money were no object, here's what the ulimate skyscraper would have
Lawmakers look to new nuke plants to fuel the coming hydrogen economy.
PopSci's look at the future of the environment continues, with projects that might soon spell disaster
The administration promised to take science seriously -- PopSci looks at how it's doing so far
A long-forgotten physics paper holds the secret
Sometimes our biggest fear is not knowing what to fear most. Fortunately, the weird science of risk analysis can teach us to judge better and fear smarter
Green technology is on the rise, but the U.S. still consumes an enormous amount of fossil fuels
Topics included the opioid crisis, nuclear weapons, and "beautiful clean coal."
Scientists invent a uranium-eating molecule that could help turn nuclear junk into fuel
Wind, solar, tidal—all are battling for the renewable-energy crown, but what about the six billion highly efficient short-stroke engines in our midst? What about us?
A reactor ten times smaller than any online today is cheaper, but still lacks interested customers
Joseph Longo's Plasma Converter turns our most vile and toxic trash into clean energyâ€”and promises to make a relic of the landfill
As global warming softens ice in the arctic, Russia hopes to carve new sea lanes with the biggest 'universal' nuclear powered icebreaker the world has ever seen.
Self-repairing computers! Electronic skin! Bat-wing planes! A look at the amazing stuff that's changing the world.
The Office of Science and Technology Policy exists to provide the President with objective scientific advisement.
We're two minutes to midnight. Again.
Just in case you didn't have enough to worry about, think about this: A random fluctuation of the vacuum of space anywhere in the universe could flip the cosmic light switch to "off."
The nation's most toxic nuke dump hopes to melt away its cleanup woes
9/11 fanned fears of more terror attacks by air. But our 95,000 miles of coast may be much more permeable. Here's the new defense strategy.
Bold innovation or terrible idea? Your guide to the experiments that only sound scary—and the lab work you truly should lose sleep over
James Hansen, climate change researcher and activist, is retiring from NASA, but not without making some new waves.
Louis Michaud has received funding from Peter Thiel's Breakout Labs to harness energy through manmade vortexes. Will your streetlights soon be powered by a tornado?
In a major first, an experiment in the California lab got more energy out of its fuel than went into the fuel. We're one step closer to ignition, when the reaction becomes self-sustaining.
A bold plan to tap the jet stream and boost our nation's energy supply
My brother and I have a bet: Would it be possible to blow up Mars?
Which technologies will finally free us from oil?
Although some of us feel like we've heard this story before