Rainforests in Brazil are burning. Their loss can never be restored. That's because these soils are not just infertile, they're the most nutrient-poor soils in the world — and they're unsuitable for agriculture.
The World Health Organization has said that the level of microplastic particles in drinking water isn't a major cause for concern. However, it warned that more research was needed into their effects on human health.
Space tourism takes another step towards reality with Virgin Galactic's mission control center. The facility aims to connect paying customers to the business of space travel before launching them into the final frontier.
A genetic study has revealed that the extinction of prehistoric cave bears was a result of human encroachment and not climate cooling, as was earlier thought. The gigantic cave bear went extinct about 20,000 years ago.
Germany has become the most popular country in the world for foreign students in the non-English-speaking world. A new study released by two academic services found that students were attracted by better prospects.
An explosion at a Russian military facility caused a spike in radiation levels. Some believe the incident occurred during the test of a new nuclear-powered cruise missile. What do we know about this weapon?
Humboldt returned to Berlin in 1827 after working for two decades in Paris. For the next 30 years, he labored over his most ambitious project to unite everything known about the whole universe in a single work, "Cosmos."