A state park allows anyone to search for diamonds, and sometimes diggers make a pricey find. Continue reading →
The mass of the Earth's solid inner core has been a thorn in our understanding of how the interior of our planet works.
Sinabung rumbled back to life in 2013, driving 10,000 people so far from their homes.
Sand dunes are mysterious and beautiful. Find out how they work and what they hide.
There are some under-appreciated, San Andreas-like faults off Los Angeles that could unleash large quakes and tsunamis. But it's nothing like Hollywood's version.
Four giant craters were discovered on the floor of Switzerland's Lake Neuchâtel. Continue reading →
For the first time in more than 30 years, lava is flowing on the floor of Halema'uma'u crater in Hawaii.
The first good satellite view of Nepal's deadly earthquake could explain why damage in the city was so severe.
+ Load More