We're taking water out faster than it's being replenished, says hydrologist Marc Bierkens. Read more about underground water and how fast it's draining.
If a single star is a bit of information, there's a galaxy of info for every person on Earth, says the first-ever inventory of our info capacity. Learn more from Martin Hilbert.
DNA analysis is changing the way we classify fish. A recent Smithsonian study of fish thought to be three species of Starksia blennies were actually ten different species, seven of which were hiding in plain sight.
Research labs around the country - like MIT's AgeLab - are focused on creating technologies that help seniors stay active, healthy, and independent. Their target? Baby boomers with purchasing power.
Nudibranchs - better known as sea slugs - are small creatures. But their color is pretty splashy. Read more about the bright pink electric blue undersea slug.
Of all the animals genome sequenced to date, the tiny water flea has the highest number of genes, more than mice, roundworms, yeast, bacteria ... and humans.
Tonight, you might see a brilliant flash of light – brighter than the brightest stars. It could be NanoSail-D2, the first solar sail to orbit Earth. Here's how to see it.
The two NASA STEREO space probes moved into position on opposite sides of the sun on Feb. 6, 2011, to give us the first-ever look at both sides of the sun at once.