A state-by-state breakdown of policies that could change your community.
Stories from the coolest day jobs in the world.
Emphasis on "possible"
On the 40th anniversary of Earth Day, we take a look back at where it all began
Harvard has a world-class trove of valuable astronomical data. But it's in the form of half a million glass photographic plates
Our experts tackle your toughest science questions
Arsenic-laced drinking water, lead-contaminated soils and choking air pollution are sadly just the start in some of the world's dirtiest places
What's the most habitable planet?
Some answers from an atmospheric scientist
In 2000, the ozone hole was at its largest. Read on for more facts about the ozone hole.
A mobile bioreactor turns trash into electricity for U.S. troops
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?
Nearly a decade ago, NASA built an Earth-monitoring satellite that could have observed global warming in action. Then the agency stashed it in a warehouse in Maryland, where it remains to this day.
Researchers have found naturally occurring plant chemical may help to keep the Earth's temperatures balanced
How green are aerosol cans now, with chlorofluorocarbons out of the picture?
He just needs to get it to them
While their peers worry about zits, these rising young stars are designing lunar bioreactors and new cancer drugs. What did you accomplish before turning 18? Meet our eight future Edisons here
A mixture of plain water, nanoparticles, and sunlight can convert water into steam without ever even bringing it to a boil
As students everywhere return to school, the luckiest are heading for caves and rocket firing ranges instead of lecture halls