The massive, deadly eruption of the Icelandic volcano Eldgjá in 10th century brought climate change and Christianity to the island colony.

Astronomers who noticed a slight blip in space's background radiation got an insight not just into the early stars but into the age and nature of the early universe.

The cost of generating solar power has dropped so dramatically, it is now economically advantageous for tobacco farmers to replace tobacco with solar farms in many places.

Is Facebook bad for your mental health? Researchers have been studying the profound impact social bonds can have on health since the 1970s.

The world tends to forget about the annual ozone hole that appears over Antarctica, though we're facing huge and complex environmental concerns.

A new drug-resistant malaria strain is spreading in South-East Asia. Farmers may be using fewer anti-biotics. Engineers are studying national disasters.

This week in sustainability news: rats v. kiwis, radiation links in midcentury Soviet Union, and an American town with no running water.

Are corals digesting plastic? Are gasoline cars about to disappear from our roads? Does the ecolabel on your frozen salmon mean your dinner is sustainable?

Developing rare earth mining in Afghanistan has been a potential objective since the USGS estimated the country had $1 trillion in mineral ore deposits.

Urban apiculture is a booming trend. But many metropolitan beekeepers also believe that bees fare better in cities than they do in the countryside.