Stories from the coolest day jobs in the world.
Harvard has a world-class trove of valuable astronomical data. But it's in the form of half a million glass photographic plates
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?
Some answers from an atmospheric scientist
A state-by-state breakdown of policies that could change your community.
What happens to science and technology when we shut it all down?
Are mysterious skin cells that never stop dividing a form of cancer, or the best hope yet for treating burn victims?
Worms, planets, extra dimensions: just a few of the things that inspire the most creative young scientists of the year
On the 40th anniversary of Earth Day, we take a look back at where it all began
An offering of children and llamas
The quest to understand, explore, and protect the amazing animals
Antarctic emperor penguins may be adapting to diminishing sea ice by scaling towering coastal glaciers to lay their eggs.
We've rounded up 2014's most mind-blowing images for your viewing pleasure
Our experts tackle your toughest science questions
Cheery happy times
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
Launch the gallery below, and enjoy our favorite pictures of the year, all in one place
Solving the mysteries of the universe