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The current rate of the expansion of space – called the Hubble constant – is a measure of the age and size of the universe. But recently, a new debate has emerged about the Hubble constant, potentiall...
Black holes are paradoxically both the simplest and most complex objects in the universe, as shown by the still-mysterious set of laws Stephen Hawking discovered a half-century ago. Resolving this par...
University of Virginia astronomer Kelsey Johnson recently delivered a talk titled "How were the most ancient objects in the universe formed?" as part of the National Science Foundation's (NSF) Disting...