–Guest column– Around 700 million years ago, the Earth cooled so much that scientists believe massive ice sheets encased the entire planet like a giant snowball. This global deep freeze, known as Snowball Earth, endured for tens […]
–Guest column– (The Center Square) – New Wisconsin State Park System passes that are valid for admission for 12 months instead of just for the calendar year will go on sale starting Dec. 2. The […]
A national park in northwestern Uganda is the last stronghold for that nation’s lion population. Elsewhere in the country, lions are in decline. Conversely, hyenas and other carnivore species are faring well. Over 100 researchers […]
–Guest column– One of the biggest scientific mysteries is where life on Earth started. Research has often focused on the role of deep-sea hydrothermal vents – those towering structures on the ocean floor constantly pumping […]
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