Illegal gold mining has ravaged the Peruvian Amazon, leaving behind pollution and denuded landscapes. A group of miners are working with a U.S. charity to restore the forest.
Our view of the constellations has changed since they were first mapped thousands of years ago. That new perspective could also mess with your horoscope.
The European Space Agency's BepiColombo will take seven years to reach the innermost planet in our solar system, where temperatures at the surface can reach 800 degrees Fahrenheit.
Stargazers, ready your (solar-filtered) telescopes: Mercury will pass directly across the sun on Monday for more than seven hours. And you can watch when it does — if you do it just right.
Early Air Force experiments helped pave the way for the space program. Joseph Kittinger, who jumped from a balloon 103,000 feet up, talks about his experience.
In one of the most remote parts of the Peruvian Amazon, researchers are in the midst of an extensive health census. The study could be key to figuring out the impact of mercury used in illegal mining.
When the price of gold skyrocketed, illegal miners flooded into the country's Amazon basin, eager to find even the tiniest bits of the precious metal. Trees and villagers have paid a price.