Mount Etna is having trouble keeping it together.
Our editors scrounged up some truly bizarre facts.
It's all about their chemistry.
From the seven people who are running PopSci today.
A vibrant map of never-before-seen terrain
Sure, it could work, or it could also cause an earthquake or eruption
What's on the moon? Here are the "midget-sun hypothesis," lunar snow, and more wild speculations we made prior to the Apollo 11 mission in 1969
More than 50 of the most dangerous, disgusting, humiliating and just plain bad professions
The free software from Google gives scientists a new world view
Not every student falls asleep at the thought of doing another lab. For a fortunate few, homework means setting off bombs, making lightning, crashing cars, and unleashing 100mph winds. Come meet the luckiest students in the country inside (with video)
Meet the extraordinary scientists whose innovations are bringing us robot cars, new cures and vaccines, the fastest-ever computer animations, and much, much more
We go remote-control deep-sea fishing with the Monterey Bay Aquarium.
Virtual renderings, made from drone maps, could help with real science
Installing sensors in Nicaragua's Masaya volcano
An ambitious experiment is underway to harness the heat of a volcano in central Oregon. The process is green, efficient... and causes earthquakes.
Did an eruption turn Icelandic vikings into Christians?
Axial Seamount could help us answer basic questions about how volcanoes work
After 54 years, a Bali Volcano erupts.
Here's how that steam-powered boom could happen.
Forget algebra homework: try building spaceships, operating a nuclear reactor or listening in to distant galaxies
An explosive past
Need to get away from it all? Popular Science presents an exclusive tour of CSS Skywalker, an orbital resort that's a lot closer to reality than you might think