A state-by-state breakdown of policies that could change your community.
In 2000, the ozone hole was at its largest. Read on for more facts about the ozone hole.
How green are aerosol cans now, with chlorofluorocarbons out of the picture?
On the 40th anniversary of Earth Day, we take a look back at where it all began
Our experts tackle your toughest science questions
Forensic scientists in Switzerland are pioneering a whole new way to do autopsies. No scalpel required.
Are mysterious skin cells that never stop dividing a form of cancer, or the best hope yet for treating burn victims?
Some answers from an atmospheric scientist
It's called body packing, it's dangerous and gross, and new technology makes gut-based drug smuggling harder to spot.
Los Alamos scientist Steen Rasmussen plans to one-up nature by cobbling together a brand-new creature that reproduces and evolves. Is he making a biotech marvel that will do our bidding, or a test-tube-size Frankenstein monster?
An offering of children and llamas
A new study finds that trees are fueling air pollution--with a lot of help from humans
A new study suggests an oily pate may lower ozone levels; but is the alternative any healthier?
Texas Schoolbook Massacre
Worms, planets, extra dimensions: just a few of the things that inspire the most creative young scientists of the year
Harvard has a world-class trove of valuable astronomical data. But it's in the form of half a million glass photographic plates
With the release of the DSM-5 this month, psychotherapist Gary Greenberg questions whether psychiatry's diagnostic Bible can truly get at the nature of mental suffering.
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
To celebrate Earth Day, we've compiled the best images of our planet as seen from NASA's satellites.
Scientists think a nearby collision of neutron stars could explain the undocumented onslaught of high-energy radiation in the eighth century
A new theory of anthropogenic climate improvement
Antarctica: Just the facts