observations

Animals behave strangely during a solar eclipse. Here you can read what you should pay attention to in the coming month

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Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news about fascinating discoveries, scientific developments and more. During the Great American Eclipse of 2017, zoo animals behaving strangely surprised researchers: the giraffes gathered and started galloping, the Galápagos tortoises started mating, and the gorillas started getting ready for bed. This strange behavior … Read more

Major X-ray studies of the sky could alleviate the crisis surrounding the ‘lumpiness’ of the universe

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A new analysis of how galaxy clusters have evolved over the 13.8 billion year history of the cosmos could help resolve a long-standing tension around the “lumpiness” of our universe’s matter content. In the future, it could also help scientists solve a host of other cosmic mysteries. The first data from the eROSITA all-sky survey … Read more