For decades, scientists have estimated that the Siberian unicorn -- a long-extinct species of mammal that looked more like a rhino than a horse -- died out some 350,000 years ago, but a beautifully preserved skull found in Kazakhstan has completely overturned that assumption.
The melting of glaciers caused by the world's rising temperatures appears to be causing a slight slowing of the Earth's rotation in another illustration of the far-reaching impact of global climate change, scientists say.
Climate change is speeding up the melting of the great sheet of ice covering Greenland, a frozen mass the size of Alaska that holds an estimated 10 percent of the world’s ice and scientists are sure of it, reports news and lifestyle magazine TakePart.
Scientists have suspected for months the presence of water on Pluto. But it was not until recently that they had solid proof, and the discovery is raising intriguing questions about the color and location of the water ice.