Microbes that eat and breathe electricity have forced scientists to reimagine how life works—on this planet and others
The answers to the most nagging, fascinating, and bizarre questions of the summer movie season.
More than 50 of the most dangerous, disgusting, humiliating and just plain bad professions
Plus, new Veil Nebula images from Hubble
2+ Discoveries / 12 Months = Annus mirabilis
A few bright points throughout the year.
Or at least keep your teeth cavity-free. A growing chorus of medical researchers say our bacteria-killing zealotry is misguided. Instead of fighting bugs, they argue, we should train them to do our bidding and then set them loose in our bodies. The trouble is keeping them there
Science of the Union.
GeoEye celebrates 12 years of snapping images from outer space in one stunning 2013 calendar.
A report from DARPA's Wait, What? conference
The killing of a young child led investigators to this problem: Can the single-celled life in water tell where the water is from?
These 10 people have signed up to die on Mars, in order to live there.
In the July 1969 issue of Popular Science, a famous rocket scientist narrated the first moon landing.
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.
New findings demonstrate how the moon could have been made from Earth parts, not kamikaze-planet pieces.
We could learn a lot about Earth from the moon, and the risks of it being damaged are only increasing.
Bacteria and fungi are a menace to paintings, sculptures, and ancient artifacts.