Hint: We're not number one, but we're close
Ice cores suggest that humans have been polluting the air with lead for at least 2,000 years
The plant will collect 900 tons of carbon a year, piping it into a nearby greenhouse to boost vegetable growth
As countries grow richer, light pollution gets worse–but some are fighting to change that
Areas in Tibet, Argentina and West Africa are likely to receive international protection for their rare plants, animals and natural beauty
The new species of frog has a transparent underside, offering a glimpse of its beating heart inside
The rare creature was dredged up from some 13,000 feet below the surface
Made from data collected from 200 proprietary maps from oil and gas companies, the new image has a resolution 16 times greater than the next best map
It’s the newest tool in health workers’ arsenal against the contagious virus
The craft will travel within 4 million miles of the sun's surface
It's a preview of even more spectacular things to come
Researchers brought Jeremy two potential partners who went on to mate with each other
The shoes’ manufacturers harvest harmful algal blooms and turn the goo into footwear
The groundbreaking photo book by Anna Atkins, a 19th-century British botanist, is going on display in the Netherlands
It’s been nearly 40 years since the nuclear power plant partially melted down
The strange spiky penis of the cowpea beetle seems to drive the evolution of both male and female beetles
The behavior seems to have become a “cultural tradition” among local group of long-tailed macaques
A complex chemical reaction called the Maillard Reaction is responsible
The simulations took months of modeling to complete—and the results can help scientists learn about the formation of galaxies
From stunning polar images to weird aurorae, the gas giant is even weirder than we thought
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