Astronomers may peer deep into the cosmos to study mysterious black holes, but would you believe there are "black holes" right here on Earth? Well, almost. A new study by scientists a
Do impacts trigger extinctions? Impact theory still controversial - “The increased interest in meteor impacts will be productive. We’ve seen in the past years people finding many more impact craters,” French says. “This is very exciting business. It’s a totally new wild card mechanism for how Earth changes.”
What is the electromagnetic spectrum? | Space | EarthSky
Cross-Culture | Neanderthals apparently created the oldest known examples of a kind of bone tool used in Europe, thus raising the possibility that modern humans may have learned how to make these tools from Neanderthals. Conversely, Neanderthals created artifacts similar to ones made at about the same time by modern humans arriving in Europe, such as body ornaments and small blades. Scientists have hotly debated whether such behavior developed before or after contact with modern humans.