A state-by-state breakdown of policies that could change your community.
In a wide-ranging interview with PopularScience.com, Aldrin talks about a mission to Mars, 34 years of sobriety and the future of American leadership in space.
How regular people can contribute to scientific research
Give these reptiles some love.
Plus, a gallery of endangered zoo babies born this year. Squee!
Some rare good environmental news.
Plus, twin red panda cubs
More than 50 of the most dangerous, disgusting, humiliating and just plain bad professions
Rating may help drive efforts to save some of Earth's most critically endangered (and weirdest) birds.
Plus a drone's-eye-view of Greenland
How do we decide how rare an animal is? How do we figure out how long before it goes extinct? And how do we stop that from happening?
Nearly half of this year's MacArthur "genius grant" recipients are advancing science and technology
The story of how one of the most polluted waterways in America came to be located in one of the country's most expensive neighborhoods. Also: dysentery, cancer, and arsenic poisoning.
We've rounded up 2014's most mind-blowing images for your viewing pleasure
Jellyfish invasions, Internet auctions, god particles: Read about the year's biggest science stories before they happen. Bonus: How to decipher geeky jargon and when to buy a DeLorean
Scientists say amphibian death could be the start of the first mass extinction since the dinosaurs
Our 10 favorite science pics this week
Plus, glass on Mars
Wyoming's anti-scientific laws have allowed the most famous wolf in Yellowstone to be shot. Shooting wolves isn't only senseless--it actively harms the environment.
It's a contentious, edgy argument! But it's flawed in just about every way. Here's how to exploit those flaws.
For oenophiles and chocoholics, it was a very good year. For clean air: not so much.
Richard Stroud is the nation's chief medical examiner for wildlife, and he's getting a state-of-the-art lab. Poachers beware.
A recent fossil discovery gives renewed credence to a theory of massive and swift extinction